2003 GMC Sierra 2500 HD Fuel and Emissions Systems

Name: Carquest Driver Information Display Switch, SBA2327
Brand: Carquest Premium
SKU: SBA2327
Price: 33.99 USD

Below you will find various in-demand GMC Fuel and Emissions Systems, components and accessories for your 2003 Sierra 2500 HD. Advance Auto Parts has popular Sierra 2500 HD parts like Fuel Injectors, Gas Caps, Fuel Tanks and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other Sierra 2500 HD model years including 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 and more. Select a category of 2003 GMC Sierra 2500 HD Fuel and Emissions Systems below and start saving instantly.

Please Select your Vehicle to See Exact Fit Parts

Popular 2003 GMC Sierra 2500 HD Fuel and Emissions Systems Categories

Fuel Tank Cleaning Kits

Air Flow Meters and Mass Air

Vapor Canister Vent Solenoids

Fuel Lift Pumps

Fuel Injector Sleeves

Fuel Injection Pumps

Fuel Injector Rails

Fuel Injection Pressure Sensors

MAP-Barometric Pressures

Vapor Canister Vent Valves

Manifold Air Pressure Sensors

Canister Purge Solenoids

Diesel Oxidation Catalysts

EGR Valves

Fuel Injectors

Vapor Canisters

Fuel Tank Pressure Sensors

Water In Fuel Sensors

Pressure Regulators

Information Display Modules

Ambient Air Temperature Sensors

Fuel Injector O-Ring Kits

Electric Pump Filter and Strainers

Fuel Injector Seal Kits

Fuel Tank Straps

Fuel Injector Gaskets

Fuel Tank Lock Rings

Fuel Tank Filler Necks

EGR Valve Control Switches

Fuel Level Sensors

Fuel Injector Connectors

Fuel Tank Sending Units

Diesel Fuel Filter Bleeder Screws

Mass Air Flow Sensor Connectors

Fuel Injection Relays

Diesel Fuel Injector Lines

Fuel Pump Tank Seals

Diesel Emissions Filler Caps

Oxygen Sensor Connectors

Fuel Pump and Engine Oil Pressure Indicator Switches

Fuel Injector Clips

EGR Valve Gaskets

Fuel Filler Neck Clip

Vapor Canister Purge Valve Pipes

Fuel Pump Harness Connectors

EGR Gasket Sets

Ambient Air Temperature Sensor Clip

EGR Valve Connectors

Exhaust Gas Recirculation (EGR) Pipe Seals

Exhaust Gas Recirculation (EGR) Pipe Gaskets

Fuel Injection Nozzle O-Ring Kits

Manifold Absolute Pressure Sensor Seals

Fuel Tank Crossmembers

Fuel Injection System

Fuel Injector Set

Fuel Sender Connectors

Vapor Canister Vent Solenoid Connectors

Fuel Cap Tester Adapters

Fuel Line Seal Rings

Fuel Pump Harness

Fuel Injection Return Line Gasket Kits

Emissions Wiring Harness Connector

Air Injection Bypass Valve Solenoid Connector

Diesel Primer Pump Gasket

Fuel Rail O-Ring Kits

Fuel Injector Harness Connector

Fuel Line Banjo Bolt

Fuel Pump Control Module Connector

Essential Fuel and Emissions Systems for 2003 GMC Sierra 2500 HDs

Carquest Driver Information Display Switch, SBA2327

from

$33.99

Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Driver Information Display Switch allows drivers to easily navigate and customize vital vehicle information, enhancing user experience by providing quick access to important data such as fuel efficiency, navigation, and alerts at their fingertips. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Bosch Common Rail Pump Remanufactured, 0986437332

from

$846.99

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.

from

$14.99

Carquest wiring harnesses are designed to replace worn, damaged, or corroded electrical connections, delivering reliable performance and long life.

GM Genuine Parts Fuel Tank Sending Unit Kit with Seal, 89060639

from

$459.99

ACDelco GM Original Equipment Fuel Tank Sending Units are GM-recommended replacements for your vehicle’s original components. These components measure fuel level changes in your vehicle’s fuel tank, which are displayed on the vehicle’s fuel gauge. These original equipment sending units have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

GM Genuine Parts Vapor Canister, 215-449

from

$228.99

GM Genuine Parts Vapor Canisters are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These canisters capture and store evaporating fuel vapors from the fuel tank to be drawn into the intake manifold during engine operation. 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).

Carquest Ambient Air Temperature Sensor, WTA1552

from

$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.

Carquest New Mass Air Flow Sensor - Sensor Only, MQ6223

from

$96.99

Carquest Premium mass air flow (MAF) sensors are built to meet the original equipment (OE) specifications for each application. Our MAF sensors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium mass air flow sensors are 100% new and undergo extensive validation testing to ensure long-lasting performance and reliability.

MAHLE Original Fuel Injection Nozzle O-Ring Kit, GS33500A

from

$9.29

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

Carquest A/C Auto Temperature Control Relay, R3107

from

$18.99

Carquest A/C Auto Temperature Control Relay, R3107.

Carquest Reman Diesel Fuel Injector - 4 Pack, AD25023-4PK

from

$1018.00

Carquest premium remanufactured injectors are completely torn down, ultrasonically cleaned, inspected and remanufactured using premium components. Each injector is tested on a sophisticated flow bench under multiple operating parameters. This Carquest four-pack kit includes four cylinder-specific high-pressure fuel lines that should be replaced any time the injector is replaced. Replacing all four injectors at the same time with the fuel lines ensures a complete repair and reduces the chance premature injector failure due to contamination from the fuel line. This injector four-pack offers savings over purchasing single injectors and components separately.

Delphi Electric Fuel Lift Pump: 12V, With 2 Female Blade Terminals, HFP955

from

$79.99

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.

Dorman Diesel Fuel Filter Bleeder Screw - Brass (Sold by each), 904-112HP

from

$21.99

This diesel fuel filter bleeder screw is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

GM Genuine Parts Manifold Absolute Pressure Sensor Seal, 16194007

from

$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).

Carquest Non-Locking Fuel Tank Cap, 10834

from

$9.99

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.

Delphi Manifold Absolute Pressure Sensor, PS10247

from

$61.99

Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.

from

$138.99

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.

Dorman Pigtail -Evap. Canister Vent Valve Solenoid, Red, 2-way with Leads, 645-631

from

$41.99

Make better electrical repairs and accessory installations with a Dorman pigtail connector. Designed for a clean appearance when installed, Dorman connectors are ideal for neatly securing wiring jobs in automotive, commercial, industrial and household applications. Our pigtails are constructed from quality materials for long service life and resistance to the elements, and offer a range of features including locking tabs, weatherproof seals and more, where applicable. Check the product details to choose the best product for your electrical wiring needs.

Edelbrock Pro-Flo 4 Efi Xt-Style Kit No. 35993 For Chevy Ls Gen Three & Four Small-Block

from

$2866.99

“The Edelbrock part No. 35993 Pro-Flo 4 XT Sequential Port EFI System for Chevrolet LS GEN III/IV engines is equipped with the latest in technology and features. The EFI system comes complete with a Pro-Flo XT rectangular port black finish intake manifold and 35 Lb./Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure. The new Pro-Flo 4 EFI systems feature an all-new ECU with a faster processor, a water proof design and measures half the depth of the previous ECU. It also has an upgraded Bluetooth chip that is faster, more reliable and will not drop connection. We’ve added more features for the advanced tuner giving you control over air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, Rev limiter while retaining the simplicity Pro-Flo is known for. The key to the system is our exclusive E-Tuner 4 app with dyno developed base calibrations. The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU’s self-learning capability to continually adjust the calibration to get the maximize performance of your engine. E-Tuner 4 features a simple and easy to use setup wizard to help you get started. Best of all, the E-Tuner 4 app is free and can be downloaded from the Google Play Store, allowing you to use your personal Android based smart phone or tablet. If you don’t have a compatible device, then we also offer kits that include a 7″” Android tablet with the E-Tuner 4 app pre-installed. Multiple dash displays are included to allow you to monitor engine vitals and performance from your Android smart phone or tablet. Pro-Flo 4 does not require laptop tuning.”

MagnaFlow Oem Grade Federal / Epa Compliant Diesel Oxidation Catalyst, 60110

from

$523.99

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Diesel Oxidation Catalyst 60110. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

GM Genuine Parts Black Multi-Purpose Pigtail, PT2782

from

$41.99

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.

GM Genuine Parts Fuel Injection Throttle Body Mounting Gasket, 12570168

from

$7.99

GM Genuine Parts Fuel Injection Throttle Body Mounting Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets help provide an air-tight seal between the throttle body and the intake manifold, and are GM-recommended replacements for your vehicle’s original components. Replace this gasket whenever you service the throttle body, as leaks can negatively affect the air/fuel ratio and compromise performance. 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).

Cardone Remanufactured Vacuum Pump, 64-1025

from

$119.99

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.

from

$44.99

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

from

$67.99

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.

Dorman Evaporative Emissions Canister Vent Valve Repair Kit (without Filter Assembly), 911-019

from

$113.99

A malfunctioning vapor canister vent solenoid can cause the engine light to come on. This vapor canister vent solenoid is engineered of quality materials for durability to ensure proper operation of the vehicle’s evaporative emissions system.

Carquest Fuel Cap Tester Adapter:, 12410

from

$17.79

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

Dorman Fuel Return Line Banjo Bolt, 904-554

from

$45.99

Ensure proper fuel flow with this fuel line banjo bolt. Replaces corroded, stripped or damaged original bolt. Matches stock appearance, fit and function for a direct replacement.

"DENSO Oxygen Sensor: 4 Wire, 14.76"" Long, Heated, Exact Fit, 234-4103"

from

$79.99

DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; 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 posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Upgrade your 2003 GMC Sierra 2500 HD with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2003 GMC Sierra 2500 HD, 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 2500 HD functioning at its best. At Advance Auto Parts, we offer a wide selection of 205 Fuel and Emissions Systems for the 2003 GMC Sierra 2500 HD, designed to meet your needs without breaking the bank. From Fuel Injector replacements to Gas Caps 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 2500 HD at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $1.29 to $2,866.99, with an average price of $95.40. Our 205 Fuel and Emissions Systems in stock come from 22 trusted brands, so you’re sure to find the right part for your 2003 GMC Sierra 2500 HD 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 2500 HD, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like Felpro, GM Genuine, Carquest Premium, and more. Felpro Fuel and Emissions Systems start at just $3.49 and boast an impressive 4.6 stars average rating from customers. GM Genuine and Carquest Premium also bring quality to the table, with Fuel and Emissions Systems available starting at $11.99, and at an average 4.6 stars rating. With 11,380 customer reviews and counting, our 2003 GMC Sierra 2500 HD 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 2500 HD is always ready to roll. We’re committed to providing you with everything you need to keep your Sierra 2500 HD in top shape, all in one place. Start shopping confidently below for your 2003 GMC Sierra 2500 HD!

Best-Selling Fuel Injectors for 2003 GMC Sierra 2500 HDs

Enhance the driving experience in your GMC with 45 quality Fuel Injector components, starting at $3.99.

show more show less

from

$149.99

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.

Felpro Fuel Injector O-Ring Kit, ES 71190

from

$10.49

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.

from

$159.99

Hitachi€™s 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 Hitachi€™s air flow sensors the premium choice.

from

$9.29

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

GM Genuine Parts Fuel Injector O-Ring Kit with Assorted O-Rings, 217-1588

from

$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).

Felpro Fuel Injector O-Ring Kit, ES 70599

from

$8.49

Carquest New Mass Air Flow Sensor - Complete Assembly, MQ7202

from

$94.99

Felpro FUEL INJECTOR O-RING SET, ES 71192

from

$3.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Carquest Remanufactured Multi Port Fuel Injector, A211-1803

from

$75.99

The CARQUEST line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA Injectors are thoroughly 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.

GM Genuine Parts Fuel Injection Pressure Regulator Kit with Clip and Snap Ring, 217-3073

from

$114.99

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.

Carquest Fuel Injector Seal Kit Remanufactured, AS017

from

$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. Includes hard to find or previously dealer-only components.

ACDelco Multi-Port Fuel Injector, 17113698

from

$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.

from

$96.99

Dorman Injector Cup and O-rings, 904-120

from

$42.99

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.

from

$244.99

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.

Wells Vehicle Electronics Fuel Injection Pressure Regulator, 5G1070

from

$94.99

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.

Felpro Fuel Injection Throttle Body Mounting Gasket, 61178

from

$7.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

from

$44.99

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.

Dorman Diesel Fuel Rail Return Line Gaskets, 904-103

from

$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.

Felpro Fuel Injector O-Ring Kit, ES 73217

from

$28.99

from

$8.99

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

GM Genuine Parts Fuel Injector Retainer Kit with Clip, 12570620

from

$16.99

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).

Carquest Remanufactured Diesel Fuel Injector, AD25023

from

$264.99

CARQUEST premium remanufactured injectors are completely torn down, ultrasonically cleaned, inspected and remanufactured using premium components. Each injector is tested on a sophisticated flow bench under multiple operating parameters.

from

$7.99

Most Popular 2003 GMC Sierra 2500 HD Gas Caps

Customize your GMC with 19 Gas Caps products like Gas Caps, all priced under $31.99.

show more show less

Carquest Diesel Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack, 10819D

from

$15.79

Carquest Keyed Alike Locking Fuel Cap, 17591

from

$11.99

Carquest Non-Locking Fuel Tank Cap, 10830

from

$12.99

Carquest Fuel Cap: Round, Direct Fit, Provides Tight Seal, 1 Pack, 10837

from

$14.99

from

$9.99

Carquest Gas Cap: Twist On, Reduces Air Pollution, 1 Pack, 10817

from

$15.99

from

$24.99

Carquest Non-Locking Fuel Tank Cap, 10819

from

$16.99

from

$23.99

from

$24.99

Carquest Locking Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack, 10504

from

$23.99

from

$23.99

Carquest Non-Locking Diesel Fuel Tank Cap, 10830D

from

$12.49

Carquest Locking Diesel Fuel Tank Cap, 10501D

from

$31.99

Motorad Direct Fit Tethered Non-Locking Gas Fuel Tank Cap:, MGC817T

from

$24.29

Carquest Keyed Alike Locking Fuel Cap, 17507

from

$11.79

from

$22.99

Motorad Direct Fit Tethered Non-Locking Diesel Fuel Tank Cap:, MGC517T

from

$20.99

Carquest Keyed Alike Locking Fuel Cap, 17505

from

$10.99

Top Picks for 2003 GMC Sierra 2500 HD Fuel Tanks

Upgrade GMC Sierra 2500 HDs with top-quality Fuel Tanks parts, including 16 OEM and aftermarket selections for your 2003 model.

show more show less

from

$104.99

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.

Carquest Steel Fuel Tank Lock Ring, 579-053

from

$29.99

This fuel tank sending unit lock ring is designed to help restore the connection between the fuel pump, module and/or sending unit and the fuel tank on specified vehicles. It is engineered to match the performance of the original equipment lock ring when the factory ring has failed or is damaged. Manufactured to precise specifications for specified vehicles, it is made with durable materials for reliable performance and long life.

Carquest FUEL TANK STRAP - 1 EA, 578-183

from

$41.99

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

from

$49.99

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.

from

$29.99

New Platinum Pro Fuel Tank Straps EXTERNAL SUPPLY>FDO>BACK ROOM-FDO>APPLICATION SPECIFIC from KAI

from

$22.99

Carquest Premium offers a complete line of fuel tank lock rings covering a wide variety of North American vehicle applications. Carquest Premium fuel tank lock rings are engineered to meet or exceed all OEM specifications. Carquest Premium fuel tank lock rings are precision stamped and are treated with a rust proof finish to ensure durability and strength.

from

$12.49

When replacing a fuel pump or module, it’s extremely important to clean the tank. Existing dirt, debris, and contamination stuck in the fuel tank can clog the brand-new strainer. Delphi’s Fuel Tank Cleaning Kit (FC01) and Tool (FC02) can help clean your fuel tank in less than five minutes. The FC01 includes a low-suds solution, cloth, and gloves that works together with the FC02 to help clean those hard to reach places without having to remove the fuel tank. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

from

$459.99

Spectra Premium Fuel Tank Filler Neck, FN795

from

$84.99

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

from

$62.99

New Platinum Pro Fuel Filler Neck, 99-04 1500/2500 Models With Gas Engine, And 01-04 3500 Models With Gas Engine

from

$55.99

New Standard Replacement Fuel Tank Strap Kit, 31 1/4 Inch Straps, Pair

GM Genuine Parts Fuel Tank Sending Unit Lock Ring, TR14

from

$23.99

GM Genuine Parts Fuel Tank Sending Unit Lock Rings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These rings help seal out contaminants, and help retain 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).

Dorman Fuel Tank Crossmember (OE Fix), 926-987

from

$306.99

When the original equipment fuel tank crossmember rusts apart, the dealer’s solution is to replace the frame or fabricate a repair. This Dorman OE FIX crossmember bolts into place to repair only the affected part and features a corrosion-resistant finish.

from

$51.99

from

$30.99

New Standard Replacement Fuel Tank Lock Ring, For 3 1/2 Inch Diameter Gauge, O-Ring Not Included

from

$16.99

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

In-Demand Fuel Pumps for 2003 GMC Sierra 2500 HDs

Select from 28 premium Fuel Pumps parts for your 2003 GMC Sierra 2500 HD, with prices ranging from $1.29 to $1,119.00.

show more show less

Delphi Fuel Pump Module Assembly: With Float Arm, Seal, Splice Kit, FG0271

from

$403.99

from

$5.29

Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

GM Genuine Parts Fuel Pump and Level Sensor Module with Seal, Float, and Harness, MU1614

from

$248.99

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

from

$14.99

Carquest wiring harnesses are designed to replace worn, damaged, or corroded electrical connections, delivering reliable performance and long life.

Delphi Fuel Pump Module Assembly: With Float Arm, Seal, Splice Kit, FG0407

from

$293.99

GM Genuine Parts Fuel Pump and Level Sensor Module with Seal, Float, and Harness, MU1613

from

$262.99

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

Carquest Fuel Pump Module Assembly: Fuel Pump, Sending Unit, Wiring Harness and Strainer, M312871

from

$129.99

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.

Carquest Fuel Pump Module Assembly, E3500M

from

$147.99

Please note: Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. CARQUEST or Airtex fuel pump modules offer OEM or better performance from an Original Equipment Supplier. The latest advancements in fuel delivery technology are built-in to every CARQUEST or Airtex Fuel Pump to deliver greater reliability.

Carquest Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer, M3246728

from

$79.99

GM Genuine Parts Engine Oil Pressure Sensor, 12677836

from

$88.99

ACDelco GM Original Equipment Multi Purpose Pressure 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.

from

$41.99

from

$79.99

Carquest Fuel Pump Wiring Harness, WH1541160

from

$15.99

CARQUEST Premium electric fuel pumps are built 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.

from

$487.99

KAI Fuel Pump Module Assembly, FMD010018

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

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.

GM Genuine Parts 4-Way Female Gray Multi-Purpose Pigtail, PT1537

from

$59.99

Delphi Fuel Pump Wiring Harness, FA10003

from

$16.99

Carquest Remanufactured Diesel High Pressure Fuel Pump, AM91033

from

$1119.00

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

Bosch Common Rail Pump Remanufactured, 0986437303

from

$846.99

aFe POWER DFS780 PRO Diesel Fuel Lift Pump (Full-time Operation), 42-24011

from

$808.99

“Billet 6061-T6 Aluminum Manifold: Eliminates porosity concerns with cast aluminum. Contoured CNC Machining Of Manifold Passages: Enhances flow through the manifold to reduce pressure drop due to flow restrictions. Universal Carbon Steel Mounting Bracket: Heavy duty bracket easily mounts with supplied hardware. “”Marine Grade”” Motor: Protected against dust intrusion and powerful water jets. Helical Bronze Spur Gears: Bronze gears more forgiving of contaminants than steel gears. The Helical spur gear design runs quieter than straight cut gears. Plug & Play Installation: Supplied harness attaches directly to battery and utilizes Deutsch weather-proof connectors. No cutting or modifications of the stock fuel lines required. Vehicle can easily be returned to stock. O.E Quality Viton Seals: Compatible with diesel and biodiesel fuels. Note: This system is not currently CARB exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicle.”

Dorman Remanufactured Common Rail Fuel Pump, 502-551

from

$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.

Dorman Fuel Pump Module: Includes, Fuel Pump Harness and Connectors, 2630311

from

$249.99

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.

Dorman Fuel Pump Module: Includes, Fuel Pump Harness and Connectors, 2630370

from

$166.99

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.

Most Sold 2003 GMC Sierra 2500 HD Oxygen Sensors

Explore our best-selling GMC parts for the 2003 Sierra 2500 HD among 22 OEM and aftermarket options starting from $35.99.

show more show less

"Bosch Oxygen Sensor: 4 Wire, 14.96"" Long, Heated, Exact Fit, 15282"

from

$109.99

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.

"DENSO Oxygen Sensor: 4 Wire, 14.76"" Long, Heated, Exact Fit, 234-4669"

from

$99.99

"Bosch Oxygen Sensor: 4 Wire, 24.02"" Long, Heated, 15740"

from

$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.

"DENSO Oxygen Sensor: 4 Wire, 21.65"" Long, Heated, Exact Fit, 234-4673"

from

$74.99

"Bosch Oxygen Sensor: 4 Wire, 16.93"" Long, Heated, Exact Fit, 15895"

from

$84.99

"Bosch Oxygen Sensor: 4 Wire, 24.02"" Long, Heated, Universal, 15730"

from

$89.99

"DENSO Oxygen Sensor: 4 Wire, 11.77"" Long, Heated, Universal Fit, 234-4212"

from

$69.99

"DENSO Oxygen Sensor: 4 Wire, 16.54"" Long, Heated, Exact Fit, 234-4651"

from

$91.99

"Bosch Oxygen Sensor: 4 Wire, 25.87"" Long, Heated, Universal, 15741"

from

$69.99

"DENSO Oxygen Sensor: Downstream, 4 Wire, 21.65"" Long, Heated, Exact Fit, 234-4286"

from

$82.99

GM Genuine Parts Heated Oxygen Sensor, 213-3867

from

$105.99

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).

GM Genuine Parts Oxygen Sensor: 4 Wires, 309.5 mm Long, Heated, Exact Fit, 213-1161

from

$149.99

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).

"Bosch Oxygen Sensor: 4 Wire, 19.88"" Long, Heated, Exact Fit, 15283"

from

$119.99

"NTK Switching Oxygen Sensor: 4 Wire, 15"" Long, Heated, Direct Fit, 21549"

from

$106.99

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. NTK 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.

"NTK Switching Oxygen Sensor: 4 Wire, 18.5"" Long, Heated, Direct Fit, 21555"

from

$89.99

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.

"NTK Switching Oxygen Sensor: 4 Wire, 15.25"" Long, Heated, Direct Fit, 21514"

from

$102.99

from

$53.99

"Bosch Oxygen Sensor: 4 Wire, 21.65"" Long, Heated, Exact Fit, 15901"

from

$69.99

GM Genuine Parts Heated Oxygen Sensor, 213-1149

from

$134.99

GM Genuine Parts Oxygen Sensor: 4 Wires, 484.5 mm Long, Heated, Exact Fit, 213-1162

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).

"NTK Switching Oxygen Sensor: 4 Wire, 22.75"" Long, Heated, Direct Fit, 21548"

from

$71.99

from

$35.99

Top-Rated Fuel and Emissions Systems Brands For Your 2003 GMC Sierra 2500 HD

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2003 GMC Sierra 2500 HDs. Below you’ll find some of our best rated Fuel and Emissions Systems from Felpro, GM Genuine, and Carquest Premium, and more. Fuel and Emissions Systems from these brands that fit a 2003 Sierra 2500 HD start at just $3.49 and are rated as high as 4.6 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular Felpro 2003 GMC Sierra 2500 HD Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2003 GMC Sierra 2500 HD, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. Felpro ticks all of those boxes. We offer a wide selection of Felpro Fuel and Emissions Systems, specifically designed for the 2003 GMC Sierra 2500 HD. With over 3 Felpro 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 $3.49, with an average price of just $6.09. Plus, with over 19 customer reviews and an average rating of 4.6 stars, you can trust that our Felpro 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.

Felpro Exhaust Gas Recirculation (EGR) Valve Gasket, 70914

from $3.49

(1)

Felpro Exhaust Gas Recirculation (EGR) Valve Gasket, 70914

“Installed on my 99 Silverado Z71. Perfect fit and good price.”

from $10.49

(14)

Felpro Fuel Injector O-Ring Kit, ES 71190

“I rebuilt my engine using a off-brand gasket kit. The O-rings that came with the kit did not fit right. I bought these from Advance. They were Felp”

Felpro Exhaust Gas Recirculation (EGR) Valve Gasket, 70783

from $4.29

(4)

Felpro Exhaust Gas Recirculation (EGR) Valve Gasket, 70783

“Fits perfect”

Popular GM Genuine 2003 GMC Sierra 2500 HD Fuel and Emissions Systems

GM Genuine auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 2003 GMC Sierra 2500 HD owner should feel confident when installing genuine GM Genuine parts in their vehicle. To ensure the best fit and performance for your 2003 Sierra 2500 HD, Advance Auto Parts carries a full inventory of 3 GM Genuine Fuel and Emissions Systems. Plus you will be keeping your GMC in peak condition while saving money because prices on these GM Genuine Fuel and Emissions Systems range from $35.99 to $59.99, plus, with more than 6 customer reviews and an impressive 4.6 stars average rating, you can be confident the Fram Fuel and Emissions Systems below will deliver on both quality and value.

GM Genuine Parts Ambient Air Outside Temperature Sensor, 15-50353

from $35.99

(1)

GM Genuine Parts Ambient Air Outside Temperature Sensor, 15-50353

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

GM Genuine Parts Vapor Canister Vent Valve, 214-1091

from $59.99

(1)

GM Genuine Parts Vapor Canister Vent Valve, 214-1091

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

GM Genuine Parts Vapor Canister Purge Valve, 214-646

from $55.99

(4)

GM Genuine Parts Vapor Canister Purge Valve, 214-646

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

FAQs for 2003 GMC Sierra 2500 HD Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2003 GMC Sierra 2500 HDs?

Out of 205 Fuel and Emissions Systems that fit 2003 GMC Sierra 2500 HDs, the following parts are the top sellers:

Carquest Fuel Cap: Round, Direct Fit, Provides Tight Seal, 1 Pack, 10837 (18481528) – $14.99
Felpro Fuel Injector O-Ring Kit, ES 70599 (3504360) – $8.49
"Bosch Oxygen Sensor: 4 Wire, 24.02"" Long, Heated, Universal, 15730" (19370039) – $89.99

What’s the price range for 2003 GMC Sierra 2500 HD Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2003 GMC Sierra 2500 HD start at $1.29 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 2500 HD?

The average price for Fuel and Emissions Systems for the 2003 GMC Sierra 2500 HD is $95.40. 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 2500 HD model years?

Yes, we currently carry Fuel and Emissions Systems for 24 model years of GMC Sierra 2500 HDs between 2001 and 2026. Fuel and Emissions Systems are bought most frequently for the following model years: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Fuel and Emissions Systems for my 2003 GMC Sierra 2500 HD?

The cheapest 2003 GMC Sierra 2500 HD Fuel and Emissions Systems we carry in stock are:

Dorman Panel Trim Retainer – Interior – GM (Sold by each), 700-330 (22141952) – $1.29
Felpro Exhaust Gas Recirculation (EGR) Valve Gasket, 70895 (15780617) – $2.79
Carquest Exhaust Gas Recirculation (EGR) Valve Gasket, EVA1003 (12521989) – $2.99
Felpro Exhaust Gas Recirculation (EGR) Valve Gasket, 70914 (15780238) – $3.49
Victor Reinz EGR Valve Gasket, 71-13735-00 (50262649) – $3.49

What are the top-rated Fuel and Emissions Systems that fit the 2003 GMC Sierra 2500 HD?

Out of 11,380 reviews by customers, our 2003 GMC Sierra 2500 HD 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 2500 HD and their top-rated products:

Fuel Injector Electrical Parts
- Carquest A/C Auto Temperature Control Relay, R3107 (11271306) – $18.99
Emission Controls
- Carquest A/C Auto Temperature Control Relay, R3107 (11271306) – $18.99
Canister Purge Valves
- Carquest A/C Auto Temperature Control Relay, R3107 (11271306) – $18.99

What types of Fuel and Emissions Systems do you sell for my 2003 GMC Sierra 2500 HD?

As of 8/2/26, these are some of the most in-demand types of Fuel and Emissions Systems for a 2003 GMC Sierra 2500 HD:

Can I get help with 2003 GMC Sierra 2500 HD 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 2500 HD Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new GMC Sierra 2500 HD 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 2500 HD Fuel and Emissions Systems

Carquest Premium – Carquest Driver Information Display Switch, SBA2327 (Part No.SBA2327)

Bosch – Bosch Common Rail Pump Remanufactured, 0986437332 (Part No.0986437332)

Carquest Premium – Carquest Wiring Harness, WH3009 (Part No.WH3009)

GM Genuine Parts – GM Genuine Parts Fuel Tank Sending Unit Kit with Seal, 89060639 (Part No.89060639)

GM Genuine Parts – GM Genuine Parts Vapor Canister, 215-449 (Part No.215-449)

Carquest Premium – Carquest Ambient Air Temperature Sensor, WTA1552 (Part No.WTA1552)

Carquest Premium – Carquest New Mass Air Flow Sensor – Sensor Only, MQ6223 (Part No.MQ6223)

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

Carquest – Carquest A/C Auto Temperature Control Relay, R3107 (Part No.R3107)

Carquest Premium – Carquest Reman Diesel Fuel Injector – 4 Pack, AD25023-4PK (Part No.AD25023-4PK)

Delphi – Delphi Electric Fuel Lift Pump: 12V, With 2 Female Blade Terminals, HFP955 (Part No.HFP955)

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

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

Carquest Premium – Carquest Non-Locking Fuel Tank Cap, 10834 (Part No.10834)

Delphi – Delphi Manifold Absolute Pressure Sensor, PS10247 (Part No.PS10247)

Carquest – Carquest Fuel Filler Neck Tube, 577-340 (Part No.577-340)

Dorman – Dorman Pigtail -Evap. Canister Vent Valve Solenoid, Red, 2-way with Leads, 645-631 (Part No.645-631)

Edelbrock – Edelbrock Pro-Flo 4 Efi Xt-Style Kit No. 35993 For Chevy Ls Gen Three & Four Small-Block (Part No.35993)

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Diesel Oxidation Catalyst, 60110 (Part No.60110)

GM Genuine Parts – GM Genuine Parts Black Multi-Purpose Pigtail, PT2782 (Part No.PT2782)

GM Genuine Parts – GM Genuine Parts Fuel Injection Throttle Body Mounting Gasket, 12570168 (Part No.12570168)

Cardone – Cardone Remanufactured Vacuum Pump, 64-1025 (Part No.64-1025)

Dorman – Dorman Fuel Tank O-Ring, 911-245 (Part No.911-245)

Carquest Premium – Carquest Fuel Pressure Sensor, FPA1032 (Part No.FPA1032)

Dorman – Dorman Evaporative Emissions Canister Vent Valve Repair Kit (without Filter Assembly), 911-019 (Part No.911-019)

Carquest Premium – Carquest Fuel Cap Tester Adapter:, 12410 (Part No.12410)

Dorman – Dorman Fuel Return Line Banjo Bolt, 904-554 (Part No.904-554)

DENSO – "DENSO Oxygen Sensor: 4 Wire, 14.76"" Long, Heated, Exact Fit, 234-4103" (Part No.234-4103)

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

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

Hitachi – Hitachi Mass Air Flow Sensor, MAF0081 (Part No.MAF0081)

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

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

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

Carquest Premium – Carquest New Mass Air Flow Sensor – Complete Assembly, MQ7202 (Part No.MQ7202)

Felpro – Felpro FUEL INJECTOR O-RING SET, ES 71192 (Part No.ES 71192)

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

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

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

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

Carquest Premium – Carquest New Mass Air Flow Sensor – Sensor Only, MQ6223 (Part No.MQ6223)

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

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

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

Felpro – Felpro Fuel Injection Throttle Body Mounting Gasket, 61178 (Part No.61178)

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

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

Felpro – Felpro Fuel Injector O-Ring Kit, ES 73217 (Part No.ES 73217)

Carquest – Carquest Fuel Injector Seal Kit, 274838 (Part No.274838)

GM Genuine Parts – GM Genuine Parts Fuel Injector Retainer Kit with Clip, 12570620 (Part No.12570620)

Carquest Premium – Carquest Remanufactured Diesel Fuel Injector, AD25023 (Part No.AD25023)

GM Genuine Parts – GM Genuine Parts Fuel Injection Throttle Body Mounting Gasket, 12570168 (Part No.12570168)

Carquest Premium – Carquest Diesel Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack, 10819D (Part No.10819D)

Carquest Premium – Carquest Keyed Alike Locking Fuel Cap, 17591 (Part No.17591)

Carquest Premium – Carquest Non-Locking Fuel Tank Cap, 10830 (Part No.10830)

Carquest Premium – Carquest Fuel Cap: Round, Direct Fit, Provides Tight Seal, 1 Pack, 10837 (Part No.10837)

Carquest Premium – Carquest Non-Locking Fuel Tank Cap, 10834 (Part No.10834)

Carquest Premium – Carquest Gas Cap: Twist On, Reduces Air Pollution, 1 Pack, 10817 (Part No.10817)

Carquest Premium – Carquest Locking Fuel Tank Cap, 10501 (Part No.10501)

Carquest Premium – Carquest Non-Locking Fuel Tank Cap, 10819 (Part No.10819)

Carquest Premium – Carquest Locking Fuel Tank Cap, 10591 (Part No.10591)

Carquest Premium – Carquest Locking Fuel Cap, 10591D (Part No.10591D)

Carquest Premium – Carquest Locking Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack, 10504 (Part No.10504)

Carquest Premium – Carquest Locking Fuel Tank Cap, 10507 (Part No.10507)

Carquest Premium – Carquest Non-Locking Diesel Fuel Tank Cap, 10830D (Part No.10830D)

Carquest Premium – Carquest Locking Diesel Fuel Tank Cap, 10501D (Part No.10501D)

Motorad – Motorad Direct Fit Tethered Non-Locking Gas Fuel Tank Cap:, MGC817T (Part No.MGC817T)

Carquest Premium – Carquest Keyed Alike Locking Fuel Cap, 17507 (Part No.17507)

Carquest Premium – Carquest Locking Fuel Cap, 17501D (Part No.17501D)

Motorad – Motorad Direct Fit Tethered Non-Locking Diesel Fuel Tank Cap:, MGC517T (Part No.MGC517T)

Carquest Premium – Carquest Keyed Alike Locking Fuel Cap, 17505 (Part No.17505)

Dorman – Dorman Fuel Tank Filler Neck, 577-095 (Part No.577-095)

Carquest – Carquest Steel Fuel Tank Lock Ring, 579-053 (Part No.579-053)

Carquest – Carquest FUEL TANK STRAP – 1 EA, 578-183 (Part No.578-183)

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

KAI – KAI Fuel Tank Strap, FST010183 (Part No.FST010183)

Carquest Premium – Carquest Fuel Tank Lock Ring LO1582925 (Part No.LO1582925)

Delphi – Delphi Fuel Tank Cleaning Kit, FC01 (Part No.FC01)

GM Genuine Parts – GM Genuine Parts Fuel Tank Sending Unit Kit with Seal, 89060639 (Part No.89060639)