2003 GMC Sierra Fuel System Parts
Select Your Submodel
-
Standard®Fuel Injector SealGMC Sierra 6.6L 2003, Fuel Injector Seal by Standard®. With Valve Cover Gasket. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...Meet or exceed OE specifications to ensure proper vehicle operation during peak performanceInternal components and seals are 100% quality tested to meet OE specifications$61.83 - Fel-Pro®Fuel Injector O-Ring KitGMC Sierra 2003, Fuel Injector O-Ring Kit by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using the latest...Direct OEM replacement for a proper fitEnsures reliable sealing performance$2.53 - $25.93
- Genuine®Fuel Injector O-RingGMC Sierra 6.6L 2003, Fuel Injector O-Ring by Genuine®. If your fuel system parts are in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain...Designed to restore your vehicle’s fuel delivery systemGenuine OE replacement parts from the OE manufacturer$17.77
- GB Remanufacturing®Fuel Injector SleeveGMC Sierra 6.6L 2003, Fuel Injector Sleeve by GB Remanufacturing®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will...Meets or exceeds OE specificationsPrecision manufactured to fit and function flawlessly$30.76
- Mahle®Fuel Injector O-Ring KitGMC Sierra 2003, Fuel Injector O-Ring Kit by Mahle®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy,...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$4.47 - $6.03
- Mahle®Fuel Injector SealGMC Sierra 6.6L 2003, Fuel Injector Seal by Mahle®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy,...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$87.45
- SKP®Fuel Injector SleeveGMC Sierra 6.6L 2003, Fuel Injector Sleeve by SKP®. Sleeve and Seal. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$22.33
- PPE®Fuel Rail Mount KitGMC Sierra 6.6L 2003, Fuel Rail Mount Kit by PPE®. PPE is where engineering, design, and quality come together in perfect form. This superior product was crafted using modern manufacturing methods and high-grade materials to strict...Great way to improve the performance of your truckSynonymous with quality, efficiency, and dependability$41.39
- PPE®Ported Fuel Rail FittingGMC Sierra 6.6L 2003, Ported Fuel Rail Fitting by PPE®. PPE is where engineering, design, and quality come together in perfect form. This superior product was crafted using modern manufacturing methods and high-grade materials to strict...Great way to improve the performance of your truckSynonymous with quality, efficiency, and dependability$31.49
- PPE®CP3 High Flow Feed Line KitGMC Sierra 6.6L 2003, CP3 High Flow Feed Line Kit by PPE®. PPE is where engineering, design, and quality come together in perfect form. This superior product was crafted using modern manufacturing methods and high-grade materials to...Eliminates fuel restrictionsIncreases horsepower$17.99 - $35.99
- Dorman®OE Solutions™ Fuel CoolerGMC Sierra 3500 2003, OE Solutions™ Fuel Cooler by Dorman®. 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.Direct replacement - this fuel cooler is designed to match the fit and function of the original cooler on specified vehiclesRestores functionality - reliable replacement for an original cooler that has failed due to collision, road debris or corrosion$203.20
- Delphi®Fuel Pump Wiring HarnessGMC Sierra Gas 2003, Fuel Pump Wiring Harness by Delphi®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$14.45
- GMB®Fuel Pump Wiring HarnessGMC Sierra 2003, Fuel Pump Wiring Harness by GMB®. The modern fuel system is electronically controlled by on-board computers. It is designed to adjust and optimize the air/fuel ratio that is delivered to the engine as driving conditions...100% Pressure and Flow-rate tested in-houseIncludes all required hardware for installation$10.42
- Carter®Fuel Pump Wiring HarnessGMC Sierra 2003, Fuel Pump Wiring Harness by Carter®. This wiring harness is built to OE specifications and is used to replace the wiring within the hanger assembly. It features top-grade wire, insulated with ETFE grade covering and...Designed and built to OE specsTin-plated brass wire terminals$8.56 - $8.87
- DIY Solutions®Fuel Tank StrapGMC Sierra 1500 HD / 2500 / 2500 HD / 3500 2003, Fuel Tank Strap by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$54.60$58.09Save $3.49 (6%)
- Airtex®Fuel Pump Wiring HarnessGMC Sierra 2003, Fuel Pump Wiring Harness by Airtex®. Replace your worn, corroded, or damaged electrical connections with this Fuel Pump Wiring Harness that will provide superior electrical performance. Made by OE supplier with...Delivers ultimate electrical performanceMeets or exceeds OE specifications$8.26
- FASS Fuel Systems®Fuel Suction Tube KitGMC Sierra 6.6L 2003, Fuel Suction Tube Kit by FASS Fuel Systems®. FASS Fuel Systems Bulkhead Fittings are machined from 6061 T-6 Billet Aluminum. Convoluted Suction Tubes are designed to function as both a suction point and a fuel...Both Suction Tube and Return PortIncrease Fuel Delivery$84.55 - $94.05
- PPE®Diesel Dual Fueler Install KitGMC Sierra 6.6L 2003, Diesel Dual Fueler Install Kit by PPE®. PPE is where engineering, design, and quality come together in perfect form. This superior product was crafted using modern manufacturing methods and high-grade materials to...Dual Fueler kit includes all necessary parts for bolt-on installationNew BOSCH CP3 pump assembly with heavy-duty mounting hardware$989.99
- PPE®Fuel Pump Pulley WheelGMC Sierra 2500 HD 6.6L 2003, Fuel Pump Pulley Wheel by PPE®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the...Engineered to help enhance speed and fuel efficiencyDeveloped using innovative technology for outstanding performance$179.99
- PPE®Lift Pump Install KitGMC Sierra 6.6L 2003, Lift Pump Install Kit by PPE®. PPE is where engineering, design, and quality come together in perfect form. This superior product was crafted using modern manufacturing methods and high-grade materials to strict...Pre-cut hoses for easy installationBrass fittings$35.99
- ACDelco®Genuine GM Parts™ Fuel Filter BoltGMC Sierra 2500 / 2500 HD with Compressed Natural Gas Conversion / Natural Gas 2003, Genuine GM Parts™ Fuel Filter Bolt by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$1.81
- ACDelco®Genuine GM Parts™ Fuel Filter BracketGMC Sierra 3500 USA Built without Rear Mounted 18 gal. Auxiliary Fuel Tank 2003, Genuine GM Parts™ Fuel Filter Bracket by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$18.74
- Dorman®OE Solutions™ Fuel Filter Bleeder ScrewsGMC Sierra 2500 HD / 3500 2003, OE Solutions™ Fuel Filter Bleeder Screws by Dorman®. This diesel fuel filter bleeder screw is designed to match the fit and function of the original part on specified vehicles. Made of quality...Direct replacement - this diesel fuel filter bleeder screw matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this screw is a reliable replacement for an original part that is missing or has failed due to fatigue$15.11
- Dorman®OE Solutions™ Fuel Primer Seal KitGMC Sierra 2003, OE Solutions™ Fuel Primer Seal Kit by Dorman®. This fuel filter primer housing seal kit is designed to match the original components and hardware required to repair the housing on specified vehicles. Made of quality...Direct replacement - this fuel filter primer housing seal kit is designed to match the original components and hardware required to repair the housing on specified vehiclesIdeal solution - this kit is a reliable replacement for original components that are leaking or have failed$23.15 - $26.47
- Standard®Fuel Filter Primer Housing Seal KitGMC Sierra 6.6L 2003, Fuel Filter Primer Housing Seal Kit by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$20.67
- DIY Solutions®Water in Fuel (WiF) SensorGMC Sierra 6.6L with Updated Design 2003, Water in Fuel (WiF) Sensor by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$49.28$52.99Save $3.71 (7%)
- SKP®Fuel Filter Primer Housing Seal KitGMC Sierra 6.6L 2003, Fuel Filter Primer Housing Seal Kit by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$14.52 - $15.66
- Baldwin Filters®Fuel Water Separator FilterGMC Sierra 2500 HD / 3500 2003, Fuel Water Separator Filter by Baldwin Filters®. With Open Port. Upgrade. This first-rate American-made product is the winning choice for performance-minded racers. Made with craftsmanship and high-tech...Mounted on the pressure sideSynthetic cellulose media designed to increase efficiency, durability and contaminant-holding capacity$58.47
- FRAM®Fuel FilterGMC Sierra 2003, Fuel Filter by FRAM®. In-Line Gasoline. Keep the fuel clean with an In-Line Gasoline Fuel Filter by FRAM. This unit is designed specially for protecting the engine and fuel system of the vehicle. It traps and holds the...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$13.12
- FRAM®Spin-On Fuel Diesel Filter/Water SeparatorGMC Sierra 6.6L 2003, Spin-On Fuel Diesel Filter/Water Separator by FRAM®. Spin-on. Without Drain Plug. Keep the fuel clean with an In-Line Gasoline Fuel Filter by FRAM. This unit is designed specially for protecting the engine and fuel...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$50.27
Popular Products
- $1,971.33 - $4,064.77
- $24.16 - $33.71
2003 GMC Sierra Models
Popular Searches