2003 Chevrolet Silverado 3500 Fuel and Emissions Systems

Essential 2003 Chevrolet Silverado 3500 Fuel and Emissions Systems

Carquest – Multi Purpose Relay (Part No.83A1003)

Multi Purpose Relay

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$20.49
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • High-quality products that meet OE appearance and performance to
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Dorman – Pigtail -Evap. Canister Vent Valve Solenoid , Red, 2-way with Leads (Part No.645-631)

Pigtail -Evap. Canister Vent Valve Solenoid , Red, 2-way with Leads

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$37.99
Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.

Product Features:
  • Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
  • Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
  • Durable construction – this pigtail connector features weatherproof seals and a locking tab for a reliable connection
  • Versatile component – this connector can be used in a variety of repairs and custom installations
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GM Genuine Parts – Fuel Tank Sending Unit O-Ring (Part No.G30)

Fuel Tank Sending Unit O-Ring

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$13.49
GM Genuine Parts Fuel Tank Sending Unit O-Rings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These O-rings help seal out contaminants, and help protect your vehicle’s fuel tank sending unit. 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:
  • Help seal out contaminants
  • Help protect fuel tank sending unit
  • 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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Dorman – Injector Cup and O-rings (Part No.904-120)

Injector Cup and O-rings

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$39.99
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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DENSO – First Time Fit Oxygen Sensor (Part No.C5010302452ND)

First Time Fit Oxygen Sensor

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$75.91
Denso First Time Fit oxygen sensors are constructed of the highest quality materials available. High-quality stainless steel, porous polytetrafluoroethylene (PTFE), fluorine rubber, aluminum oxide, high-grade platinum and ceramics are used in each DENSO sensor.

Product Features:
  • SUPERIOR DESIGN – Maximizes engine performance and fuel efficiency while reducing harmful emissions.
  • DOUBLE-PROTECTION COVER – Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
  • ALUMINUM-OXIDE TRAP LAYER – Keeps silicone and lead outside the ceramic element through DENSO’s exclusive design, preventing damage to the platinum electrode.
  • STAINLESS STEEL HOUSING – Resists corrosion and contamination with a rugged, watertight body.
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Carquest Premium – Fuel Cap Tester Adapter (Part No.12422)

Fuel Cap Tester Adapter

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$39.99
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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Dorman – Fuel Tank Straps (Part No.578-183)

Fuel Tank Straps

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$41.49
Recommended for replacement whenever the fuel tank is replaced or serviced, this strap is a direct replacement for the original. Manufactured from durable materials to withstand harsh road and weather conditions.

Product Features:
  • Direct replacement – this fuel tank strap matches the fit, function and performance of the original part
  • Ideal solution – recommended for replacement when the fuel tank is serviced or replaced
  • Durable construction – manufactured from quality materials for superior service and reliability
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
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Carquest Premium – Fuel Injection Pressure Sensor (Part No.FPA1028)

Fuel Injection Pressure Sensor

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$297.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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ACDelco – GM Original Equipment Vapor Canister Purge Valve (Part No.B7080352134ACD)

GM Original Equipment Vapor Canister Purge Valve

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$79.50
The ACDelco GM Original Equipment Vapor Canister Purge Valve is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.

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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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Control Solenoid (Part No.EGC1347)

Exhaust Gas Recirculation (EGR) Valve Control Solenoid

from

$41.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

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$12.49
To perform a complete fuel pump replacement, clean the tank every time. Order the Delphi Fuel Tank Cleaning Kit (Part FC01). Remember, the original pump went into a clean fuel tank, to ensure the same level of performance, the new pump should too. 100 ye

Product Features:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
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Carquest Premium – Fuel Tank Pressure Sensor (Part No.ECA1003)

Fuel Tank Pressure Sensor

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$46.99
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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Dorman – Fuel Injector O-Ring (Part No.C10131225839DOR)

Fuel Injector O-Ring

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$63.76
Fuel Injector O-Ring

ACDelco – 4-Way Male Gray Multi-Purpose Pigtail (Part No.PT1373)

4-Way Male Gray Multi-Purpose Pigtail

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$67.99
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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ACDelco – Vapor Canister Vent Valve (Part No.214-1091)

Vapor Canister Vent Valve

from

$50.99
ACDelco GM Original Equipment Vapor Canister Vent Valves are GM-recommended replacements for your vehicle’s original components. These valves, when opened, allow air to pass in and out of the vapor canister vent. These original equipment vapor canister vent valves have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Controls fresh air flow to the canister
  • Sends fuel vapors to the engine for re-burn
  • Helps control fuel tank pressure
  • 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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Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPC1019)

Vapor Canister Purge Solenoid

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$44.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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GM Genuine Parts – Barometric Pressure Sensor (Part No.19418812)

Barometric Pressure Sensor

from

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

Fuel Control Actuator

from

$299.99
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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Carquest Premium – Fuel Cap: 10841, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10841)

Fuel Cap: 10841, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

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$21.79
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:
  • 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
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Dorman – Fuel Inj. Return Lin (Part No.C1017829278DOR)

Fuel Inj. Return Lin

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$27.23
Fuel Inj. Return Lin

Dorman – Fuel Filler Neck (Part No.574-077)

Fuel Filler Neck

from

$241.99
Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable repair.

Product Features:
  • Direct replacement – this fuel filler neck is made to match the original equipment on specific vehicles
  • Durable construction – made of corrosion-resistant materials to reduce future failure potential
  • Regulatory compliant – built to meet emission and inspection standards
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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GM Genuine Parts – Fuel Injector Retainer Kit with Clip (Part No.12570620)

Fuel Injector Retainer Kit with Clip

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$13.79
GM Genuine Parts Fuel Injector and Insulator Retainer 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:
  • 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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Delphi – Fuel Pressure Regulator (Part No.C3000446165DEL)

Fuel Pressure Regulator

from

$129.49
For more than a century, Delphi has been making the parts cars are born with. Delphi is proud of its OE heritage, and over the years they have used that experience to expand into a global aftermarket supplier.

Product Features:
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation
  • No audible regulator noise
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability.
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Carquest Premium – Fuel Injector High Pressure Line (Part No.AL005)

Fuel Injector High Pressure Line

from

$74.99
A common problem on the Duramax LB7 engine is contamination of the fuel fittings resulting in injector failure when serviced. Corrosion can form between the line and injector nut and fall into the injector when the line is removed or installed. Replacing the line at time of injector replacement or service is highly recommended to reduce injector failure due to contamination. CARQUEST premium fuel lines meet or exceed critical OE performance specifications for sealing and burst pressure.

Product Features:
  • Premium OE quality materials
  • Cylinder specific exact-fit geometry ensures a leak free connection
  • Precision machined fittings with corrosion resistant plating
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Dorman – 7-Wire Pigtail Connector (Part No.84645)

7-Wire Pigtail Connector

from

$29.49
Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.

Product Features:
  • Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
  • Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
  • Durable construction – this pigtail connector features weatherproof seals and a locking tab for a reliable connection
  • Versatile component – this connector can be used in a variety of repairs and custom installations
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Carquest Premium – Remanufactured Diesel High Pressure Fuel Pump (Part No.AM91053)

Remanufactured Diesel High Pressure Fuel Pump

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$836.99
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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NTK – Water in Fuel (Wife) Sensor (Part No.WB0012)

Water in Fuel (Wife) Sensor

from

$49.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK 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. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK 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:
  • NTK’s Water in Fuel Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to monitor the presence of water in the vehicle’s fuel.
  • The Water In Fuel Sensor reports to the Powertrain Control Module (PCM) when water has been detected in the fuel system.
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Cardone – Vacuum Pump (Part No.64-1025)

Vacuum Pump

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$183.99
CARDONE Remanufactured Vacuum Pumps are engineered for quick installation and no comebacks. Each unit is engineered and tested to meet or exceed O.E.M performance, providing you reliable performance, every time. Original design weaknesses are corrected to make a longer lasting part you and your vehicle can rely on.

Product Features:
  • 100% NEW check valves, diaphragms, O-rings and seals prevent leaks and ensure proper vacuum required to efficiently run vehicle accessories
  • 100% computer testing guarantees reliable performance
  • Engineered to meet or exceed O.E.M.performance
  • Designed for easy installation
  • Guaranteed fit and function
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Popular 2003 Chevrolet Silverado 3500 Fuel and Emissions Systems Categories

2003 Chevrolet Silverado 3500 Fuel and Emissions Systems

You count on your 2003 Chevrolet Silverado 3500 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 251 Fuel and Emissions Systems ranging in price from $1.79 to $1,529.99, you’re sure to find everything you need for your 2003 Chevrolet Silverado 3500.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 21 different brands like Carquest Premium, Felpro, and Bosch. 2003 Chevrolet Silverado 3500 Fuel and Emissions Systems start as low as $1.79!

One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 6,783 extensive product reviews on 2003 Chevrolet Silverado 3500 Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Locking Fuel Cap with 4.3 stars and Fuel Tank Straps (Includes 2 Straps) with 3.6 stars.

Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 2003 Chevrolet Silverado 3500 below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 2003 Chevrolet Silverado 3500

Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Chevrolet Silverado 3500 running right for years to come. In our inventory you’ll find brands like Carquest Premium, Felpro, Bosch, and even more.

Popular Cardone Fuel and Emissions Systems

You’ll find popular Cardone brand products across Fuel Injectors. All are waiting to get your 2003 Chevrolet Silverado 3500 back on the road. Some of the top-rated Cardone products in these categories are:
Fuel Injector Control Module
from $674.99
(1)
Fuel Injector Control Module
Fuel Injector Control Modules

Top-Rated Carquest Premium Fuel and Emissions Systems


If Carquest Premium are what you’re looking for, our inventory holds plenty. We stock Carquest Premium brand Fuel and Emissions Systems for your 2003 Chevrolet Silverado 3500, and some of our most reviewed Carquest Premium parts include:

FAQs for 2003 Chevrolet Silverado 3500 Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 2003 Chevrolet Silverado 3500?

Out of 251 Fuel and Emissions Systems for the 2003 Chevrolet Silverado 3500, the most popular in our inventory are:
Fuel Injector O-Ring Kit
from $7.49
(109)
Fuel Injector O-Ring Kit
Fuel Injector O-Ring Kits

What are the top-rated 2003 Chevrolet Silverado 3500 Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2003 Chevrolet Silverado 3500 based on customer reviews/ratings are:
Locking Fuel Cap
from $23.99
(35)
Locking Fuel Cap
“Had a check engine light and when I scanned it, calls for a new gas cap. Instead of buying oem from the dealer or just an ordinary gas cap from a part”
Fuel Tank Straps (Includes 2 Straps)
from $35.99
(34)
Fuel Tank Straps (Includes 2 Straps)
“Fit perfectly for my gmc sierra 1500”
Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
from $24.99
(32)
Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“Lost old gas cap and replaced with this one, which comes with a lock (which you don’t have to use,FYI)”