2003 GMC Sierra 3500 Fuel and Emissions Systems

Name: Manifold Absolute Pressure Sensor
Brand: GM Genuine Parts
SKU: 19418808
Price: 106.99 USD

Below you will find various in-demand GMC Fuel and Emissions Systems, components and accessories for your 2003 Sierra 3500. Advance Auto Parts has popular Sierra 3500 parts like Air Flow Sensors, Fuel Injectors, Fuel Pumps and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other Sierra 3500 model years including 2001, 2002, 2004, 2005, 2006, 2007 and more. Select a category of 2003 GMC Sierra 3500 Fuel and Emissions Systems below and start saving instantly.

Popular 2003 GMC Sierra 3500 Fuel and Emissions Systems Categories

Fuel Tank Cleaning Kits

Fuel Pressure Sensors

Air Flow Meters and Mass Air

Vapor Canister Purge Valves

Vapor Canister Vent Solenoids

Fuel Lift Pumps

Fuel Injector Sleeves

Fuel Injection Pumps

Fuel Injector Rails

MAP-Barometric Pressures

Vapor Canister Vent Valves

Manifold Air Pressure Sensors

Canister Purge Solenoids

Diesel Oxidation Catalysts

EGR Valves

Fuel Injectors

Vapor Canisters

Ambient Air Temperature Sensor Connectors

Fuel Tank Pressure Sensors

Water In Fuel Sensors

Fuel Injection Throttle Control Actuator Modules

Pressure Regulators

Air Charge Temperature Sensors

Ambient Air Temperature Sensors

Fuel Injector O-Ring Kits

Fuel Injector Seal Kits

Fuel Tank Straps

Fuel Injector Gaskets

Fuel Injection Pump Pressure Relief Valves

Fuel Tank Lock Rings

Fuel Tank Filler Necks

EGR Vacuum Solenoids

Secondary Air Injection Relays

Fuel Level Sensors

Fuel Injector Connectors

Fuel Tank Sending Units

Diesel Fuel Filter Bleeder Screws

Mass Air Flow Sensor Connectors

Fuel Injection Fuel Rails

Diesel Fuel Injector Lines

Fuel Pump Tank Seals

Oxygen Sensor Connectors

Idle Air Control Valve Connectors

EGR Valve Gaskets

Fuel Injection Fuel Rail Stud

Vapor Canister Purge Valve Pipes

Secondary Air Injection Pump Connectors

Vapor Canister Purge Solenoid Connectors

EGR Valve Connectors

Exhaust Gas Recirculation (EGR) Pipe Seals

Exhaust Gas Recirculation (EGR) Pipe Gaskets

Manifold Absolute Pressure Sensor Seals

Fuel Injection System

Fuel Cap Tester Adapters

Fuel Sender Connectors

Fuel Pump Harness

Diverter Valve Connectors

Air Injection Bypass Valve Solenoid Connector

Diesel Primer Pump Gasket

Fuel Injection Return Line Gasket Kits

Fuel Injector and Insulator Retainer Kits

Fuel Injection Idle Speed Stabilizer Connectors

Essential Fuel and Emissions Systems for 2003 GMC Sierra 3500s

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$106.99

Manifold Absolute Pressure Sensor

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$13.99

GM Genuine Parts Manifold Absolute Pressure Sensor Seals are designed, engineered, & tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$21.79

Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium lock rings meet or exceed the performance of the original equipment they replace.

Product Features:

Lock ring should be replaced when changing the fuel tank or fuel module
Application specific design ensure a perfect fit guarantee
OEM fit, form and function
OEM design ensures corrosion resistance and prevents leakage from the fuel tank
Manufactured with high quality material, ensuring the durability of this part to prevent costly leaks

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$67.05

Driveworks offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:

Direct-fit OE replacement ensures ease of installation
Designed to meet OE performance
As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need

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$311.99

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers.

Product Features:

Reduces Throttle Response Time
Improves Acceleration
Easy To Install
Does Not Affect The Vehicles Electronic System

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$81.99

Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank filler necks meet or exceed the performance of the original equipment they replace.

Product Features:

Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
Unit is dual coated for enhanced corrosion protection
Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
Tested with OE fuel cap to prevent evaporative emission and check engine light failure

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$63.99

Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.

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$19.99

Product Features:

Direct replacement – this diesel fuel filter bleeder screw matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this screw is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$22.99

This fuel injection return line gasket kit is designed to match the original components required to repair the fuel line and restore proper pressure on specified vehicles. It’s made of quality components for reliable performance.

Product Features:

Direct replacement – this fuel injection return line gasket kit is designed to match the original components required to repair the fuel line and restore proper pressure on specified vehicles
Ideal solution – this kit is a reliable replacement for original components that are leaking or have failed
Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$71.99

Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

The Fuel Tank Pressure Sensor reports the ambient pressure in the fuel tank and evaporative emission system so that the PCM may detect evaporative system leaks.
Fuel Tank Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper pressure within the fuel tank and help detect leaks.

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$357.99

Pressure sensors are used within several operating systems on the vehicle. Subjects in this category measure the pressure of both liquid and air to include air in a positive pressure and negative pressure range. Pressure sensors report out as the result of an electrical device called a strain gauge which produces an analog or digital signal output dependent on the needs of the circuit. Pressures may be very low such as barometric pressure, or extremely high such as in a high-pressure fuel injection system.

Product Features:

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
Robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.

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$152.99

This fuel pressure regulator is engineered to match the function of the original equipment regulator on specified vehicles. It is engineered to help ensure proper fuel injection pressure when the original regulator has failed or is malfunctioning.

Product Features:

Direct replacement – this fuel pressure regulator is designed to match the fit and function of the original equipment regulator on specified vehicle
Ideal solution – engineered to help ensure proper fuel injection pressure when the original regulator has failed or is malfunctioning
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$2.79

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

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$462.99

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.End of line testing using the exact OE test specifications.Guaranteed to provide OE performance and meet all emission specifications.Continuous improvement, manufactured with the latest upgrades to components and specifications. Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, And Asian vehicles.

Product Features:

100% of injectors are end of line tested using the exact OE test specifications and equipment
Manufactured with the latest OE updates, so they can often be superior to the parts they replace
Manufactured using all OE tools and processes
Guaranteed to provide OE performance

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$91.99

Ensure that your vehicle’s emission control system performs at its best with Carquest premium Vapor Canister Vent Valves. Manufactured for long-lasting performance, these Vent Valves provide reliable operation and help maintain your vehicle’s compliance with environmental regulations. For cleaner emissions, optimal vehicle efficiency and perfomance, trust Carquest Vapor Canister Vent Valves.

Product Features:

Provides closure for the EVAP system (normally vented) during OBD II test cycle
Includes integrated filter, where applicable, that captures contaminants and particulates from incoming air, preventing clogging and ensuring clean airflow
Quick valve response to engine demands, ensuring efficient venting of vapors and optimizing overall engine performance
Meets or exceeds all OEM specifications

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$34.99

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:

BAR Certified adapters
Adapter check’s a fuel cap’s ability to hold pressure.
Adapters meet EPA standards for recommended fleet coverage.
Check adapter application chart for specific makes and models

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$44.99

GM Genuine Parts Vapor Canister Purge Valve Pipes are designed, engineered, & tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$45.49

ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$348.99

GM Genuine Parts Mass Air Flow (MAF) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are key parts of the engine management system, and are GM-recommended replacements for your vehicle’s original components. The MAF sensor measures the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject. This helps ensure the most efficient airfuel mixture for the best fuel economy and power. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Measures the amount of air entering the engine so the ECM can determine the amount of fuel to inject
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$3.79

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

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$34.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$397.99

Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

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$8.99

Complete injector seal kit includes all necessary components to properly reseal injector when installed. All parts in kit are manufactured using premium OE quality materials.

Product Features:

Premium OE quality materials
Includes injector body o-ring
Includes copper combustion seal
Includes fuel return line clip

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$41.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$45.99

Vapor Canister Vent Solenoid is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket solenoid is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:

Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco
Manufactured to meet expectations for fit, form, and function

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$127.99

GM Genuine Parts Fuel Injector Rails are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$44.99

Maximize your vehicle’s efficiency and emissions control with Carquest Vapor Canister Purge Solenoids. Engineered for precision, these solenoids seamlessly regulate the flow of fuel vapors from the Vapor Canister to the engine for cleaner combustion, reducing harmful emissions. Built to meet and/or exceed OEM standards, Carquest Purge Solenoids offer reliable functionality, long-lasting durability, and easy installation.

Product Features:

Enhances overall engine performance by providing proper vapor flow to maintain correct air-fuel mixture.
Helps reduce harmful emissions and ensures compliance with environmental regulations by controlling the release of fuel vapors into the engine
Ensures precise operation with electromagnetic principles to control the flow of fuel vapors from the carbon canister to the engine
Manufactured from high quality engineered materials, resistant to fuel vapors and extreme temperatures, ensuring long lasting performance
Meets or exceeds all OEM specifications

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$37.49

Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

Upgrade your 2003 GMC Sierra 3500 with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2003 GMC Sierra 3500, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your Sierra 3500 functioning at its best. At Advance Auto Parts, we offer a wide selection of 210 Fuel and Emissions Systems for the 2003 GMC Sierra 3500, designed to meet your needs without breaking the bank. From Air Flow Sensor replacements to Fuel Injectors upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Fuel and Emissions Systems for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fuel and Emissions Systems for your 2003 GMC Sierra 3500 at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $2.79 to $2,866.99, with an average price of $102.50. Our 210 Fuel and Emissions Systems in stock come from 21 trusted brands, so you’re sure to find the right part for your 2003 GMC Sierra 3500 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 GMC Sierra 3500, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like GM Genuine, Carquest Premium, Dorman, and more. GM Genuine Fuel and Emissions Systems start at just $35.99 and boast an impressive 4.5 stars average rating from customers. Carquest Premium and Dorman also bring quality to the table, with Fuel and Emissions Systems available starting at $11.99, and at an average 4.4 stars rating. With 7,140 customer reviews and counting, our 2003 GMC Sierra 3500 Fuel and Emissions Systems have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Fuel and Emissions System upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2003 GMC Sierra 3500 is always ready to roll. We’re committed to providing you with everything you need to keep your Sierra 3500 in top shape, all in one place. Start shopping confidently below for your 2003 GMC Sierra 3500!

Best-Selling Air Flow Sensors for 2003 GMC Sierra 3500s

Enhance the driving experience in your GMC with 20 quality Air Flow Sensor components, starting at $13.99.

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$67.05

Direct-fit OE replacement ensures ease of installation
Designed to meet OE performance
As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need

from

$89.99

ACDelco GM Original Equipment Manifold Absolute Pressure (MAP) Sensors measure intake manifold pressure, and are GM-recommended replacements for your vehicle’s original components. The MAP sensor is a part of the fuel and engine management system. Its signal is used by the engine control module along with the throttle position sensor to calculate the amount of air entering the engine so that the correct amount of fuel is injected for optimum combustion. These original equipment manifold absolute pressure sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Sends signals to the engine controls for optimal engine performance
Designed to adjust engine performance to various altitudes
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$35.99

ACDelco GM Original Equipment Multi Purpose Temperature Sensor is a GM-recommended replacement component for one or more of the following vehicle systems: hvac. This original equipment sensor will provide the same performance, durability, and service life you expect from General Motors.

Product Features:

GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$37.99

Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

from

$37.99

ACDelco GM Original Equipment Multi Purpose Temperature Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:

Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$66.99

CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:

CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.

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$25.99

Air Charge Temperature Sensors are designed to meet or exceed OE specifications in form, fit and function to ensure proper monitoring of air temperature entering the engine
NTK’s Engine Coolant Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper engine operating temperature.

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$81.99

The Manifold Absolute Pressure Sensor (MAP) provides manifold pressure information to the Engine Control Unit (ECU). The data is used to determine the air mass flow rate and required fuel for optimum combustion and ignition timing.
NTK’s Manifold Absolute Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper manifold pressure, fuel metering and ignition timing.

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$34.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$14.49

The Ambient Air Temperature Sensor measures outside air temperature and is used by the heating and cooling control system, along with other vehicle cabin sensors, to control temperature and blower speed.
NTK’s Ambient Air Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper reading of outside air temperature.

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$13.99

The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
Application matched components ensures system operation in like new condition.

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$51.99

Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$26.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$54.99

Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

from

$40.99

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
Application matched components ensures system operation in like new condition.

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$41.99

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
Application matched components ensures system operation in like new condition.

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$129.99

GM Genuine Parts Multi Purpose Pressure Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$106.99

Manifold Absolute Pressure Sensor

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$25.99

ACDelco GM Original Equipment Ambient Air Temperature Sensors are used with automatic climate control systems. The sensors provide the HVAC system controller with outside air temperature, allowing the controller to modify the climate-control strategy. The sensors may also provide the signal for the outside temperature in the driver information display. This original equipment ambient air temperature sensor is a GM-recommended replacement for your vehicle’s original components and has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Repairs the outside temperature display function caused by failed ambient temp sensor
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$13.99

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

Most Popular 2003 GMC Sierra 3500 Fuel Injectors

Customize your GMC with 51 Fuel Injectors products like Air Flow Meters and Mass Air, Fuel Injectors, and Fuel Injector Gaskets, all priced under $2,866.99.

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$146.99

Every single Delphi mass air flow (MAF) sensor that we manufacture – whether with or without the housing – is built with calibrated all-new components and is never remanufactured. Our mass air flow sensors are designed and tested to meet or exceed OE requirements, and engineered for a perfect fit in more than 180 million vehicles on the road today in North America – including makes from Ford, Toyota, Nissan, Volkswagen, Hyundai, BMW, Honda, GM, Mazda, Subaru, Acura and more.

Product Features:

Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
All parts are calibrated and tested to match the OE part
Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube
Delphi OE technology validated to match the vehicle applications

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$9.99

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$145.99

Hitachis Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachis air flow sensors the premium choice.

Product Features:

Hitachi is a Tier 1 OE supplier for air flow sensors
100% NEW, never remanufactured
Hitachi’s advanced precision elements and high quality components provide enhanced durability. We feature exact fitment and calibration for each vehicle, which assists engine efficiency and fuel mileage. Our sensors are 100% air flow tested to meet exac
Precision manufactured and assembled sensing elements for accurate air flow measurements

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$9.29

MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:

All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
MAHLE gaskets is the leader in Domestic, Asian and European applications
The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package

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$29.99

GM Genuine Parts Fuel Injector Seal Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These seals help provide liquid-tight connections between the fuel injector and related components. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Helps provide a seal to prevent fuel leaks
Helps seal combustion chamber from the elements
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$8.49

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$90.99

Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:

CARQUEST MAF use all new high-quality components at the highest quality standards.
Manufactured with new and advanced technology to perform, fit and function at OE specifications.
All new product that is tested with OEM equipment to OEM standards
Outperforms competition when tested in extreme environmental conditions

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$82.99

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

Designed to OE standards for ease of installation
Application-specific to ensure the proper fit and form
Precision-engineered pressure regulators for proper fuel delivery and engine performance
As a global manufacturer, we have complete control of the manufacturing process, from components to finished product?

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$113.99

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

Designed to OE standards for ease of installation
Precision-wound and precision-trimmed solenoid windings allow the computer to command efficient delivery of fuel
High-temp Viton® O-rings enable prolonged sealing of injector under extreme heat conditions
Fiber-optic yttrium aluminum garnet “YAG” laser welding and 100 million cycle testing ensure quality in every box

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$75.99

CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:

Each unit is 100% tested to OE specifications
Includes new O-rings and seals made of premium OE quality materials
Includes application specific technical bulletin, where applicable

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$112.99

ACDelco GM Original Equipment Fuel Injection Pressure Regulators are mechanical valves that control fuel pressure in the fuel injector rail, and are GM-recommended replacements for your vehicle’s original components. Their spring-loaded valves return excess fuel back to the fuel tank. These original equipment fuel injection pressure regulators have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Helps provide constant fuel pressure to the injectors
Assists in cold engine starts
Helps maintain stable engine idle
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$464.99

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

Designed to OE standards for ease of installation
State-of-the-art designs that meet or exceed OE specifications
Top-of-the-line quality and performance
With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues

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$3.99

CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:

Premium OE quality materials
Services one injector

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$114.99

ACDelco GM Original Equipment Fuel Injectors are electro-magnetic valves that meter fuel into the engine’s intake manifold or cylinders for combustion, and are GM-recommended replacements for your vehicle’s original components. The engine control module (ECM) operates the injector by applying an electric current to the injector solenoid winding, causing the needle valve to open, and allowing pressurized fuel to be atomized into the intake airstream. These original equipment fuel injectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Atomizes fuel into the engine’s intake manifold or cylinders, as part of the fuel and engine management system
Allows for a quick throttle response
Assists in cold engine starts
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$94.99

Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:

CARQUEST MAF use all new high-quality components at the highest quality standards.
Manufactured with new and advanced technology to perform, fit and function at OE specifications.
All new product that is tested with OEM equipment to OEM standards
Outperforms competition when tested in extreme environmental conditions

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$43.99

This fuel injector sleeve is a direct replacement for an original equipment part. Made of quality materials, this part has undergone try-on testing to ensure a quality fit and a long service life.

Product Features:

Ideal replacement – this fuel injector sleeve is a direct replacement for the original equipment part on specified engines
Durable construction – this part is made from quality materials to resist damage from fuel and extreme temperatures
Cost-effective solution – offers original equipment quality at competitive price
Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life

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$240.99

This fuel cooler is designed to match the fit and function of the original cooler on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this fuel cooler is designed to match the fit and function of the original cooler on specified vehicles
Restores functionality – reliable replacement for an original cooler that has failed due to collision, road debris or corrosion
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$83.99

WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to OE designs. Every component either matches or improves on the OE design to ensure fast, easy installation, superior performance and reliability.

Product Features:

Application matched components ensure fuel injection system meets all emission regulations.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

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$36.99

GM Genuine Parts Fuel Injection Fuel Rail O-Ring Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$95.99

Precision is key for the fuel pressure regulator on any vehicle. At Delphi, we use OE engineering to test our regulators and fuel technologies to ensure the utmost performance and durability. Our Nitrile¿ diaphragms are resilient against high-ethanol fuels, and we utilize two designs to help meet emissions standards while covering a wide array of domestic vehicles. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management. Visit our Resource Center for helpful tips and tricks on fuel pumps technologies and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:

Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
Quiet operation, no audible regulator noise
Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
Consistent and predictable fuel pressure throughout system range of control provides great drivability

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$44.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$22.99

Direct replacement – this fuel injection return line gasket kit is designed to match the original components required to repair the fuel line and restore proper pressure on specified vehicles
Ideal solution – this kit is a reliable replacement for original components that are leaking or have failed
Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$309.99

GM Genuine Parts Fuel Injection Throttle Control Actuator Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These modules are electrically operated motor assemblies that control throttle plates. They receive an electrical signal from the engine control module and open throttle plates based on input from the accelerator pedal module. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$50.99

Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

Top Picks for 2003 GMC Sierra 3500 Fuel Pumps

Upgrade GMC Sierra 3500s with top-quality Fuel Pumps parts, including 27 OEM and aftermarket selections for your 2003 model.

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$335.99

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

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$305.99

Fuel Pump and Level Sensor Module with Seal, Float, and Harness

Product Features:

Helps provide a reliable fuel supply to your vehicle’s engine
Electrical connections are designed to help eliminate high resistance due to vehicle vibration
Designed to optimize pump life and reduce fuel pump noise
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$244.99

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

from

$257.99

Fuel Pump and Level Sensor Module with Seal, Float, and Harness

Product Features:

Helps provide a reliable fuel supply to your vehicle’s engine
Electrical connections are designed to help eliminate high resistance due to vehicle vibration
Designed to optimize pump life and reduce fuel pump noise
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$89.99

Carquest Premium fuel pump modules and assemblies are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested
Includes installation gaskets or seals where applicable

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$147.99

Product Features:

All CARQUEST fuel pumps are designed to meet or exceed OE specs and are 100% tested to ensure performance and long-life.
High-efficiency turbine technology provides quiet and precise fuel delivery
Carbon commutator technology provides improved durability and robust performance for gasoline and flexible fuel.
CARQUEST fuel pump features external rubber feet for enhanced stability and reduced noise from vibration.
CARQUEST Fuel Pump has modified return porting to increase flow resulting in lower failure rates. Upgraded convoluted tubing improves durability to resist tube wear failure and create longer life.
CARQUEST strainer uses polyester material to ensure filtration performance meet or exceed OE requirements.

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$79.99

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested
Includes installation gaskets or seals where applicable

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$70.99

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
All pumps are functionally tested for correct operation which improves pump reliability
Exact fit original equipment replacements means easy installation
Consistent pressure at all operating temperatures results in quick start-ups.
Pump is designed for diesel engines and applications
Always check fuel filter when replacing the fuel pump

from

$431.99

Meet or exceeds OE requirements
Transfers fuel within the tank
Does not include primary fuel pump

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$194.99

New Platinum Pro Fuel Module, With Module Code Tcf, With Evap Emissions, With 2Plugs, Without Robust Fuel System Sender, Wiring Harness Includes, 1500/2500/3500 Models

Product Features:

Module Code TCF, With Evap Emissions, With 2 Plugs, Without Robust Fuel System Sender, Wiring Harness Included
Meets All Federal Motor Safety Standards
No Drilling Needed For Installation
No Modifications Needed For Installation
Direct Fit Replacement For Your Vehicle
Same Form Fit And Function As OE
Check Out The Large Selection Of Parts Available For Your Vehicle

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$158.99

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.

Product Features:

Manufactured with the latest OE updates, so they can often be superior to the parts they replace
Manufactured using all OE tools and processes
Guaranteed to provide OE performance

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$299.99

Meet or exceeds OE requirements
Transfers fuel within the tank
Does not include primary fuel pump

from

$319.99

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

from

$309.99

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

from

$189.99

New Platinum Pro Fuel Module, With Module Code Tcu Without Evap Emissions With 1Plug, Without Robust Fuel System Sender Wiring Harness Includes

Product Features:

Module Code TCU, Without Evap Emissions, With 1 Plug, Without Robust Fuel System Sender, Wiring Harness Included
Meets All Federal Motor Safety Standards
No Drilling Needed For Installation
No Modifications Needed For Installation
Direct Fit Replacement For Your Vehicle
Same Form Fit And Function As OE
Check Out The Large Selection Of Parts Available For Your Vehicle

from

$58.99

Carquest Premium electric fuel pumps are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. Our Carquest Premium fuel pumps are built to be installed in the Original Equipment module or assembly. We have invested in industry-leading quality upgrades, like upgraded turbine impellers and 100% carbon commutators, to deliver greater reliability. Carquest Premium electric fuel pumps are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested

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$16.99

Each wire harness is designed to meet or exceed the performance of the original unit
Engineered with the same stringent standards applied to the parts we make for the top global OEMs
Delphi wire harnesses are designed and reliably work for the life of your fuel system
Wiring harness is designed to correct known application issues

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$1388.99

CARDONE Remanufactured Fuel Injection Pumps are application specific pumps that expand across a variety of platforms. Our diesel injector pumps are precision wound with trimmed solenoid windings to ensure accurate and precise delivery of fuel from the electronic control module (ECU). This allows for smooth engine operation, improved fuel consumption, reduced harmful emissions, instant throttle response, and optimal fuel atomization, providing a quality product both you and your vehicle can rely on.

Product Features:

All gaskets, O-rings and bearings are replaced 100 percent to ensure optimal performance
Each assembled unit is individually calibrated and tested to ensure it meets or exceeds O.E.M. form, fit and function
All components are renewed or replaced as necessary to ensure high quality and durability
When applicable, improvements based on typical failure modes of original units are incorporated into the design and manufacture of replacement component parts, which translates into longer service life and less down-time for the driver
Guaranteed fit and function
Meets or exceeds O.E.M. performance.

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$1119.00

CARQUEST premium remanufactured high-pressure fuel pumps are completely torn down, ultrasonically cleaned, inspected and remanufactured using premium components. Each pump is 100% tested on a sophisticated flow bench under multiple operating parameters to meet or exceed OE specifications.

Product Features:

Each unit is 100% tested to OE specifications
Includes pump mounted regulator

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$679.99

This diesel fuel injection pump has been thoroughly remanufactured using an exclusive process to ensure optimum quality and reliability. Critical components are replaced and clearances are verified after cleaning, reassembly and testing.

Product Features:

Ideal replacement – this remanufactured common rail fuel injection pump restores lost performance from a worn original equipment injection pump
Thoroughly remanufactured – this fuel injector pump has been completely disassembled, cleaned, inspected, reassembled with new internal components and tested to be leak-free
Cost-effective solution – offers original equipment quality at competitive price
Quality tested – this part has undergone calibration to application-specific requirement and tested to ensure performance

from

$347.99

Meet or exceeds OE requirements
Transfers fuel within the tank
Does not include primary fuel pump

from

$321.99

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

from

$250.99

This fuel pump module assembly matches the fit and function of the original parts in specific vehicles. Built from durable materials, this pump is designed to be reliable over a long service life.

Product Features:

Direct replacement – this fuel pump assembly matches the fit and function of the original equipment fuel pump on specified vehicles
Durable construction – this fuel pump is made of quality materials for a long service life
Saves money – offers original equipment quality at a competitive price
Quality assured – this fuel pump assembly has undergone rigorous testing to ensure reliable performance

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$216.99

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested
Includes installation gaskets or seals where applicable

In-Demand Oxygen Sensors for 2003 GMC Sierra 3500s

Select from 20 premium Oxygen Sensors parts for your 2003 GMC Sierra 3500, with prices ranging from $34.99 to $147.99.

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from

$103.99

Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Direct Fit includes OE Connector for easy installation
Performance meets or exceeds OE specifications
True Direct-fit OE connectors and harness

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$99.99

DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:

Specifically designed to meet the increasing demands of today’s engines
100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

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$69.99

Bosch is the world¿s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Includes Smart Link Connector, no soldering required
No special tools required for installation
Seared protection tube due to 100% functional quality test
Recommend to use OTC 6500 Flexihead O2 Sensor Wrench

from

$72.99

Specifically designed to meet the increasing demands of today’s engines
100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

from

$81.99

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Direct Fit includes OE Connector for easy installation
Performance meets or exceeds OE specifications
True Direct-fit OE connectors and harness

from

$89.99

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Includes Smart Link Connector, no soldering required
No special tools required for installation
Seared protection tube due to 100% functional quality test
Performance meets or exceeds OE specifications

from

$69.99

Specifically designed to meet the increasing demands of today’s engines
100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

from

$61.99

Specifically designed to meet the increasing demands of today’s engines
100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

from

$72.99

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Includes Smart Link Connector, no soldering required
No special tools required for installation
Seared protection tube due to 100% functional quality test
Performance meets or exceeds OE specifications

from

$82.99

Specifically designed to meet the increasing demands of today’s engines
100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

from

$90.99

GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are special feedback sensors on your vehicle’s exhaust system and measure the proportion of oxygen in exhaust gases. Using this measurement, the engine control module (ECM) can adjust the airfuel ratio to near the optimal value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

This part requires programming andor special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Detects oxygen content in the exhaust gases to help optimize emissions
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$147.99

GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are special feedback sensors on your vehicle’s exhaust system and measure the proportion of oxygen in exhaust gases. Using this measurement, the engine control module (ECM) can adjust the air/fuel ratio to near the optimal value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Detects oxygen content in the exhaust gases to help optimize emissions
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$115.99

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Direct Fit includes OE Connector for easy installation
Performance meets or exceeds OE specifications
True Direct-fit OE connectors and harness

from

$103.99

NGK is the sensor specialist for import and domestic applications. Established under the NGK product family, oxygen sensors are part of our ongoing commitment to streamlining product types and increasing coverage. A ceramic company at our core, uses cutting-edge technology to control the ceramic used in our oxygen sensors from raw material to finished product. is the world’s largest supplier and manufacturer of OE oxygen sensors. Combining expertise and innovation, oxygen sensors deliver superior fit, form, and function. oxygen sensors undergo extensive testing during manufacturing to ensure quality and reliability that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for comprehensive market support and OE application technology.

Product Features:

OEM QUALITY: is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, Oxygen Sensors offer superior OE fit, form, function
OE TECHNOLOGY: Upgraded to the latest OE technologies, Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
EASY INSTALLATION: Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability

from

$87.99

NGK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

OEM QUALITY: is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, Oxygen Sensors offer superior OE fit, form, function
OE TECHNOLOGY: Upgraded to the latest OE technologies, Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
EASY INSTALLATION: Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability

from

$53.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

from

$63.99

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Direct Fit includes OE Connector for easy installation
Performance meets or exceeds OE specifications
True Direct-fit OE connectors and harness

from

$134.99

This part requires programming andor special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Detects oxygen content in the exhaust gases to help optimize emissions
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$102.99

GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are special feedback sensors on your vehicle’s exhaust system and measure the proportion of oxygen in exhaust gases. Using this measurement, the engine control module (ECM) can adjust the air/fuel ratio to near the optimal value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Detects oxygen content in the exhaust gases to help optimize emissions
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$34.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

Most Sold 2003 GMC Sierra 3500 Gas Caps

Explore our best-selling GMC parts for the 2003 Sierra 3500 among 21 OEM and aftermarket options starting from $7.99.

show more show less

from

$15.79

Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:

Product Features:

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control
Independently tested for emission control

from

$11.99

Passes all state and federal emissions tests
Independently tested for emission control
Independently tested for emission control
Protects your fuel from theft and vandalism
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

from

$16.79

Passes all state and federal emissions tests
Independently tested for emission control
Protects your fuel from theft and vandalism
Protects your fuel from theft and vandalism
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

from

$12.99

Product Features:

Passes all state and federal emissions tests
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$14.99

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$15.49

Product Features:

Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$15.99

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$24.99

Protects your fuel from theft and vandalism
Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$16.99

Product Features:

Passes all state and federal emissions tests
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$23.99

Product Features:

Protects your fuel from theft and vandalism
Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$24.99

Independently tested for emission control
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$21.79

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$22.99

Product Features:

Protects your fuel from theft and vandalism
Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$12.49

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$7.99

Passes all state and federal emissions tests
Independently tested for emission control
Independently tested for emission control
Protects your fuel from theft and vandalism
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

from

$31.99

Product Features:

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control
Independently tested for emission control

from

$24.29

Come pre-assembled for quick and easy installation.
Several fastener options to work with any fuel cap compartment configuration
Fits vehicles orginally equipped with tether
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

from

$11.79

Passes all state and federal emissions tests
Independently tested for emission control
Independently tested for emission control
Protects your fuel from theft and vandalism
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

from

$22.99

Product Features:

Passes all state and federal emissions tests
Independently tested for emission control
Protects your fuel from theft and vandalism
Protects your fuel from theft and vandalism
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

from

$20.99

Come pre-assembled for quick and easy installation.
Several fastener options to work with any fuel cap compartment configuration
Fits vehicles orginally equipped with tether
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

from

$10.99

Passes all state and federal emissions tests
Independently tested for emission control
Independently tested for emission control
Protects your fuel from theft and vandalism
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

Top-Rated Fuel and Emissions Systems Brands For Your 2003 GMC Sierra 3500

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2003 GMC Sierra 3500s. Below you’ll find some of our best rated Fuel and Emissions Systems from GM Genuine, Carquest Premium, and Dorman, and more. Fuel and Emissions Systems from these brands that fit a 2003 Sierra 3500 start at just $11.99 and are rated as high as 4.5 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular GM Genuine 2003 GMC Sierra 3500 Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2003 GMC Sierra 3500, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. GM Genuine ticks all of those boxes. We offer a wide selection of GM Genuine Fuel and Emissions Systems, specifically designed for the 2003 GMC Sierra 3500. With over 3 GM Genuine brand Fuel and Emissions Systems in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $35.99, with an average price of just $49.32. Plus, with over 6 customer reviews and an average rating of 4.5 stars, you can trust that our GM Genuine Fuel and Emissions Systems will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $55.99

(4)

Vapor Canister Purge Valve

“Easiest fix yet. Youtube where it goes took longer than actual install”

from $55.99

(1)

Vapor Canister Vent Valve

“Works great. Turned the check engine light right off.”

from $35.99

(1)

Ambient Air Outside Temperature Sensor

“The part was perfect. Unfortunately, it did not resolve my issue.”

Popular Carquest Premium 2003 GMC Sierra 3500 Fuel and Emissions Systems

Carquest Premium auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 2003 GMC Sierra 3500 owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2003 Sierra 3500, Advance Auto Parts carries a full inventory of 3 Carquest Premium Fuel and Emissions Systems. Plus you will be keeping your GMC in peak condition while saving money because prices on these Carquest Premium Fuel and Emissions Systems range from $11.99 to $16.79, plus, with more than 8 customer reviews and an impressive 4.4 stars average rating, you can be confident the Fram Fuel and Emissions Systems below will deliver on both quality and value.

from $16.79

(1)

Keyed Alike Locking Fuel Cap

“Work geeat”

from $11.99

(3)

Keyed Alike Locking Fuel Cap

“Worked fine”

from $15.79

(4)

Diesel Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack

“Good”

FAQs for 2003 GMC Sierra 3500 Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2003 GMC Sierra 3500s?

Out of 210 Fuel and Emissions Systems that fit 2003 GMC Sierra 3500s, the following parts are the top sellers:

Fuel Cap: Round, Direct Fit, Provides Tight Seal, 1 Pack (18481528) – $14.99
Fuel Injector O-Ring Kit (3504360) – $8.49
Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal (19370039) – $89.99

What’s the price range for 2003 GMC Sierra 3500 Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2003 GMC Sierra 3500 start at $2.79 and go up to $2,866.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2003 GMC Sierra 3500?

The average price for Fuel and Emissions Systems for the 2003 GMC Sierra 3500 is $102.50. Keep in mind the variety of part types within our Fuel and Emissions System category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel and Emissions Systems for other GMC Sierra 3500 model years?

Yes, we currently carry Fuel and Emissions Systems for 5 model years of GMC Sierra 3500s between 2001 and 2007. Fuel and Emissions Systems are bought most frequently for the following model years: 2007, 2006, 2005, 2004, 2002, and 2001.

What are the cheapest Fuel and Emissions Systems for my 2003 GMC Sierra 3500?

The cheapest 2003 GMC Sierra 3500 Fuel and Emissions Systems we carry in stock are:

Exhaust Gas Recirculation (EGR) Valve Gasket (15780617) – $2.79
Exhaust Gas Recirculation (EGR) Valve Gasket (12521989) – $2.99
Exhaust Gas Recirculation (EGR) Valve Gasket (15780238) – $3.29
Exhaust Gas Recirculation (EGR) Valve Gasket (15780239) – $3.79
Fuel Injector Seal Kit (11450036) – $3.99

What are the top-rated Fuel and Emissions Systems that fit the 2003 GMC Sierra 3500?

Out of 7,140 reviews by customers, our 2003 GMC Sierra 3500 Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 2003 GMC Sierra 3500 and their top-rated products:

Vapor Canister Purge Valves
- Evaporative Emissions Canister Vent Valve Repair Kit with Filter Assembly (11320249) – $98.99
- Vapor Canister Vent Valve (11680405) – $55.99
- Vapor Canister Purge Valve (15730292) – $55.99
Diesel Fuel Injectors
- Evaporative Emissions Canister Vent Valve Repair Kit with Filter Assembly (11320249) – $98.99
- Vapor Canister Vent Valve (11680405) – $55.99
- Vapor Canister Purge Valve (15730292) – $55.99

What types of Fuel and Emissions Systems do you sell for my 2003 GMC Sierra 3500?

As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2003 GMC Sierra 3500:

Can I get help with 2003 GMC Sierra 3500 Fuel and Emissions System orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Fuel and Emissions Systems and more.

What is your return policy for GMC Sierra 3500 Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new GMC Sierra 3500 Fuel and Emissions Systems and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2003 GMC Sierra 3500 Fuel and Emissions Systems

GM Genuine Parts – Manifold Absolute Pressure Sensor (Part No.19418808)

GM Genuine Parts – Manifold Absolute Pressure Sensor Seal (Part No.16194007)

Spectra Premium – Fuel Tank Lock Ring (Part No.TR19)

Driveworks – Manifold Absolute Pressure Sensor (Part No.31424)

aFe POWER – Sprint Booster (Part No.77-14003)

Spectra Premium – Fuel Filler Neck (Part No.FN950)

Carquest Premium – Multi-Use Connector (Part No.PTC2024)

Dorman – Diesel Fuel Filter Bleeder Screw – Brass (Sold by each) (Part No.904-112HP)

Dorman – Diesel Fuel Rail Return Line Gaskets (Part No.904-103)

NTK – Fuel Tank Pressure Sensor (Part No.FG0012)

Carquest Premium – Fuel Injection Pressure Sensor (Part No.FPA1028)

Dorman – Fuel Control Actuator (Part No.904-575)

Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.70895)

Bosch – Fuel Injector: New (Part No.0986435521)

Carquest Premium – Vapor Canister Vent Valve: Includes Mounting Hardware, Filter and Wiring Harness (Part No.CPC1006)

Carquest Premium – Fuel Cap Tester Adapter: (Part No.12427)

GM Genuine Parts – Vapor Canister Purge Tube (Part No.12578233)

GM Genuine Parts – 5-Way Female Gray Multi-Purpose Pigtail (Part No.PT1154)

GM Genuine Parts – Mass Airflow Sensor (Part No.213-4115)

Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.70947)

Carquest Premium – Multi-Use Connector (Part No.PTA1019)

Delphi – Fuel Pump Module Assembly: With Float Arm (Part No.FG0355)

Carquest Premium – Fuel Injector Seal Kit (Part No.AC20522)

Carquest Premium – Multi-Use Connector (Part No.PTA1397)

GM Genuine Parts – Vapor Canister Vent Solenoid (Part No.214-2149)

GM Genuine Parts – Multi-Port Fuel Injector Rail (Part No.217-1542)

Carquest Premium – Vapor Canister Purge Solenoid: Includes Mounting Hardware (Part No.CPC1019)

GM Genuine Parts – Multi-Purpose Wire Connector (Part No.PT2784)

Driveworks – Manifold Absolute Pressure Sensor (Part No.31424)

ACDelco – Manifold Absolute Pressure (MAP) Sensor (Part No.213-796)

GM Genuine Parts – Ambient Air Outside Temperature Sensor (Part No.15-50353)

ACDelco – Multi-Purpose Pigtail (Part No.PT1357)

GM Genuine Parts – Multi-Purpose Temperature Sensor (Part No.213-928)

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1011)

NTK – Multi-Purpose Temperature Sensor (Part No.EF0008)

NTK – Manifold Absolute Pressure Sensor (Part No.MA0097)

Carquest Premium – Multi-Use Connector (Part No.PTA1019)

NTK – Ambient Air Temperature Sensor (Part No.AN0115)

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1034)

GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT1274)

Carquest Premium – Multi-Use Connector (Part No.PTA1107)

GM Genuine Parts – Multi-Purpose Pigtail (Part No.PT1799)

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1155)

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTC1157)

GM Genuine Parts – Barometric Pressure Sensor (Part No.19418812)

GM Genuine Parts – Manifold Absolute Pressure Sensor (Part No.19418808)

GM Genuine Parts – Ambient Air Temperature Sensor with Bracket (Part No.15047946)

GM Genuine Parts – Manifold Absolute Pressure Sensor Seal (Part No.16194007)

Delphi – Mass Air Flow Sensor (Part No.AF10043)

Felpro – Fuel Injector O-Ring Kit (Part No.ES 71190)

Hitachi – Air Flow Sensor – New Actual OE Part (Part No.MAF0081)

MAHLE Original – Fuel Injection Nozzle O-Ring Kit (Part No.GS33500A)

GM Genuine Parts – Fuel Injector O-Ring Kit with Assorted O-Rings (Part No.217-1588)

Felpro – Fuel Injector O-Ring Kit (Part No.ES 70599)

Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ7202)

Carquest – Fuel Injection Pressure Regulator (Part No.24027)

Carquest – Fuel Injector (Part No.67363)

Carquest Premium – Remanufactured Fuel Injector (Part No.A211-1803)

GM Genuine Parts – Fuel Injection Pressure Regulator Kit with Clip and Snap Ring (Part No.217-3073)

Carquest – Fuel Injector (Part No.63877)

Carquest Premium – Fuel Injector Seal Kit (Part No.AS017)

ACDelco – Multi-Port Fuel Injector (Part No.17113698)

Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ6223)

Dorman – Injector Cup and O-rings (Part No.904-120)

Dorman – Diesel Fuel Cooler (Part No.904-180)

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1070)

GM Genuine Parts – Fuel Injection Fuel Rail O-Ring Kit with 3 O-Rings (Part No.17113552)

Delphi – Fuel Injection Pressure Regulator (Part No.FP10021)

Carquest Premium – Multi-Use Connector (Part No.PTA1096)

Dorman – Diesel Fuel Rail Return Line Gaskets (Part No.904-103)

GM Genuine Parts – Fuel Injection Throttle Control Actuator Module (Part No.12588923)

GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2135)

Delphi – Fuel Pump Module Assembly: With Float Arm, Seal, Splice Kit (Part No.FG0271)

GM Genuine Parts – Fuel Pump and Level Sensor Module with Seal, Float, and Harness (Part No.MU1614)

Delphi – Fuel Pump Module Assembly: With Float Arm, Seal, Splice Kit (Part No.FG0407)

GM Genuine Parts – Fuel Pump and Level Sensor Module with Seal, Float, and Harness (Part No.MU1613)

Carquest Premium – Fuel Pump Includes Includes Strainer (Part No.M312871)

Carquest Premium – Fuel Pump Module Assembly (Part No.E3500M)

Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit, Wiring Harness and Strainer (Part No.M3246728)