2003 GMC Sierra 2500 Fuel Injectors, Fuel Rails & Components
Select Your Submodel
-
GB Remanufacturing®Remanufactured Multi Port Fuel InjectorGMC Sierra 2500 2003, Remanufactured Multi Port Fuel Injector by GB Remanufacturing®. OE-quality at a reduced cost is what you'll get with this new multi-port fuel injector. This injector is an exact OEM replacement part, so it...Affordable alternative to a new OEM injectorMeets or exceeds OE quality$31.74 - $39.07 - Standard®Fuel InjectorGMC Sierra 2500 2003, Fuel Injector by Standard®. 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,...Stainless-steel calibration slide and spring assembly prevents corrosion within the fuel control body, which leads to an extended service lifePrecision-wound and precision-trimmed solenoid windings allow the computer to command efficient delivery of fuel$60.81 - $2,589.13
- ACDelco®GM Original Equipment™ Fuel InjectorGMC Sierra 2500 2003, GM Original Equipment™ Fuel Injector by ACDelco®. 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,...Assists in cold engine startsAllows for a quick throttle response$105.00 - $263.71
- TRQ®Fuel InjectorGMC Sierra 2500 HD 2003, Fuel Injector by TRQ®. When it comes to replacing fuel injectors, you can trust the high-quality replacement solution from TRQ to get the job done right. Each TRQ fuel injector is designed to exact...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$41.23 - $414.95
- Bosch®Remanufactured Fuel InjectorGMC Sierra 2500 HD 6.6L 2003, Remanufactured Fuel Injector by Bosch®. Replace a defective fuel injector and get rid of poor fuel economy and sluggish performance. The fuel injector from Bosch is a cost-effective solution when you need a...Optimal spray pattern for optimum mixture preparation and efficient combustion, also during dynamic driving behaviorReduced consumption and low emissions, particularly during the start and warm-up phase$248.33
- TRQ®Fuel Injector SetGMC Sierra 2500 HD 2003, Fuel Injector Set by TRQ®. When it comes to replacing fuel injectors, you can trust the high-quality replacement solution from TRQ to get the job done right. Each TRQ fuel injector is designed to exact...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$228.87 - $3,143.95
- GB Remanufacturing®Fuel InjectorGMC Sierra 2500 2003, Fuel Injector by GB Remanufacturing®. This CPI Fuel Injector is OEM specifications and fully tested to ensure superior quality and durability. When you choose GB Remanufacturing fuel injectors, you get parts that...Affordable alternative to a new OEM injectorMeets or exceeds OE quality$218.34 - $1,190.41
- ACDelco®Professional™ Remanufactured Fuel InjectorGMC Sierra 2500 HD 6.6L 2003, Professional™ Remanufactured Fuel Injector by ACDelco®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$293.73
- Delphi®Replacement Fuel InjectorGMC Sierra 2500 2003, Replacement Fuel Injector by Delphi®. Made in the USA. Delphi fuel injectors are specifically tailored to deliver pressurized, atomized fuel to each cylinder in precise proportions required under extreme...Improved fuel economy and minimal fuel leakage during vehicle idle due to extremely low drip tipAccurate metering even during extreme temperature and condition (-40°F to 230°F)$104.24 - $244.59
- Dorman®OE Solutions™ Remanufactured Diesel Fuel InjectorGMC Sierra 2500 HD 6.6L 2003, OE Solutions™ Remanufactured Diesel Fuel Injector by Dorman®. This diesel fuel injector is a direct replacement for the original equipment injector and has been remanufactured to stringent industry...Direct replacement - this diesel fuel injector matches the fit and functionality of the original equipment injectorDurable construction - this injector is remanufactured from quality materials for durability$338.27
- GB Remanufacturing®Remanufactured Diesel Fuel InjectorGMC Sierra 2500 HD 6.6L 2003, Remanufactured Diesel Fuel Injector by GB Remanufacturing®. This diesel fuel injector is designed to meet or surpass OEM requirements and perform as well as or better than an original part. GB offers...Meets or exceeds OE specsOE-quality or better performance$254.50
- Dynomite Diesel®Injector SetGMC Sierra 2500 HD 6.6L 2003, Injector Set by Dynomite Diesel®. 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...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$4,580.94
- ACDelco®Genuine GM Parts™ Fuel Injector RailGMC Sierra 2500 2003, Genuine GM Parts™ Fuel Injector Rail by ACDelco®. 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,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$120.44 - $305.92
- Bosch®Diesel Fuel Injection Fuel RailGMC Sierra 2500 HD 6.6L 2003, Diesel Fuel Injection Fuel Rail by Bosch®. Actual OE Part. 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...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$268.52 - $644.66
- Dorman®OE Solutions™ Injector Fuel Return LineGMC Sierra 2500 HD 6.6L 2003, OE Solutions™ Injector Fuel Return Line by Dorman®. This replacement fuel return line is precision-engineered to match the fit and design of the original equipment return line on specific vehicles. It is...Direct replacement - this fuel return line is engineered to match the original return line on specified vehiclesRobust materials - manufactured to withstand exposure to fuel and extreme temperatures.$50.12
- ACDelco®Genuine GM Parts™ Fuel Injection Fuel Rail Pressure Relief ValveGMC Sierra 2500 HD 6.6L 2003, Genuine GM Parts™ Fuel Injection Fuel Rail Pressure Relief Valve by ACDelco®. Multi-Purpose. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$35.33
- Standard®Fuel Injector O-Ring KitGMC Sierra 2500 2003, Fuel Injector O-Ring 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 reputation for...Meet or exceed OE specifications to ensure proper vehicle operation during peak performanceInternal components and seals are 100% quality tested to meet OE specifications$6.90 - $29.05
- GB Remanufacturing®Fuel Injector O-Ring KitGMC Sierra 2500 2003, Fuel Injector O-Ring Kit 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...Meets or exceeds OE specificationsPrecision manufactured to fit and function flawlessly$2.16 - $17.79
- ACDelco®Genuine GM Parts™ Fuel Injector O-Ring KitGMC Sierra 2500 / Sierra 2500 HD 2003, Genuine GM Parts™ Fuel Injector O-Ring Kit by ACDelco®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$20.00
- Fel-Pro®Fuel Injector O-Ring KitGMC Sierra 2500 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 - $14.13
- ACDelco®Genuine GM Parts™ Fuel Injection Fuel Distributor O-RingsGMC Sierra 2500 / Sierra 2500 HD 2003, Genuine GM Parts™ Fuel Injection Fuel Distributor O-Rings by ACDelco®. With 3 O-Rings. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$33.86
- ACDelco®Genuine GM Parts™ Fuel Injector and Insulator Retainer KitGMC Sierra 2500 / Sierra 2500 HD 2003, Genuine GM Parts™ Fuel Injector and Insulator Retainer Kit by ACDelco®. With Clip. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$11.12
- DeatschWerks®Fuel InjectorsGMC Sierra 2500 / Sierra 2500 HD 6.0L 2003, Fuel Injectors by DeatschWerks®. Every set of fuel injectors is flow-matched and balanced for reliable and efficient performance. To ensure you get nothing less than the highest level of...$449.00 - $619.00
- Genuine®Fuel Injector SealGMC Sierra 2500 HD 6.6L 2003, Fuel Injector Seal 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...Designed to restore your vehicle’s fuel delivery systemGenuine OE replacement parts from the OE manufacturer$30.38
- Standard®Fuel Injector SealGMC Sierra 2500 HD 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...Meet or exceed OE specifications to ensure proper vehicle operation during peak performanceInternal components and seals are 100% quality tested to meet OE specifications$54.91
- ACDelco®Genuine GM Parts™ Fuel Injection Cold Start Valve GasketsGMC Sierra 2500 HD 6.6L 2003, Genuine GM Parts™ Fuel Injection Cold Start Valve Gaskets by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$1.47
- ACDelco®Genuine GM Parts™ Fuel Injector O-RingGMC Sierra 2500 HD 6.6L 2003, Genuine GM Parts™ Fuel Injector O-Ring by ACDelco®. Location: Front Cover. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$3.57
- Dorman®OE Solutions™ Fuel Injector O-Ring KitGMC Sierra 2500 HD 6.6L 2003, OE Solutions™ Fuel Injector O-Ring Kit by Dorman®. This fuel injector O-ring kit features all the O-rings required for a full replacement for the specified engine. These O-rings are made from durable...Ideal replacement - this fuel injector O-ring kit contains all the seals required to perform O-ring replacement for the specified engineDurable construction - made from quality materials to resist damage from fuel, oil and extreme temperatures$13.20
- Dorman®OE Solutions™ Fuel Injector SleeveGMC Sierra 2500 HD 6.6L 2003, OE Solutions™ Fuel Injector Sleeve by Dorman®. 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...Ideal replacement - this fuel injector sleeve is a direct replacement for the original equipment part on specified enginesDurable construction - this part is made from quality materials to resist damage from fuel and extreme temperatures$31.04
- GB Remanufacturing®Fuel Injector SleeveGMC Sierra 2500 HD 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,...Meets or exceeds OE specificationsPrecision manufactured to fit and function flawlessly$30.76
