2003 GMC Sierra Fuel Injectors, Fuel Rails & Components
Select Your Submodel
-
GB Remanufacturing®Remanufactured Multi Port Fuel InjectorGMC Sierra 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 guarantees...Affordable alternative to a new OEM injectorMeets or exceeds OE quality$31.74 - $39.07 - Standard®Fuel InjectorGMC Sierra 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 - $2,585.03
- ACDelco®GM Original Equipment™ Fuel InjectorGMC Sierra 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, it...Assists in cold engine startsAllows for a quick throttle response$116.60 - $309.86Save: up to 16%$98.07 - $263.37
- TRQ®Fuel Injector SetGMC Sierra 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 specifications to...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$235.95 - $3,143.95Save: up to 6%$224.15 - $2,955.31
- Bosch®Remanufactured Fuel InjectorGMC Sierra 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 InjectorGMC Sierra 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 specifications to...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$42.95 - $414.95Save: up to 6%$40.37 - $390.05
- GB Remanufacturing®Fuel InjectorGMC Sierra 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 - $1,053.63
- Delphi®Replacement Fuel InjectorGMC Sierra 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 conditions. In...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)$99.57 - $244.59
- GB Remanufacturing®Remanufactured Diesel Fuel InjectorGMC Sierra 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 quality diesel...Meets or exceeds OE specsOE-quality or better performance$254.50
- Dorman®OE Solutions™ Remanufactured Diesel Fuel InjectorGMC Sierra 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 standards for...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
- ACDelco®Professional™ Fuel InjectorGMC Sierra 2003, Professional™ 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, it will provide...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$136.89 - $345.14Save: 15%$116.36 - $293.36
- Cardone Reman®Remanufactured Fuel InjectorGMC Sierra 6.6L 2003, Remanufactured Fuel Injector by Cardone Reman®. Without Fuel Injector O-Rings. Domestic. Cardone Reman Remanufactured Fuel Injectors provide an alternative plug and play solution to fuel delivery for diesel...All gaskets, O-rings and bearings are replaced 100% to ensure optimal performanceAll products are completely disassembled, thoroughly cleaned and inspected$264.23
- GB Remanufacturing®Remanufactured SCPI Fuel InjectorGMC Sierra 4.3L 2003, Remanufactured SCPI Fuel Injector by GB Remanufacturing®. This part is remanufactured to OEM specifications and fully tested to ensure superior quality and durability. When you choose GB Remanufacturing fuel...Remanufactured OEM part, not similar or aftermarket substituteAffordable alternative to a new OEM component$38.38 - $189.12
- Fleece Performance Engineering®Fuel Primer Bulb Sealing KitGMC Sierra 3500 6.6L 2003, Fuel Primer Bulb Sealing Kit by Fleece Performance Engineering®. Upgrade your fuel system with this fuel filter delete from Fleece Performance Engineering. If you have an aftermarket fuel filtration system...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$37.95
- Dynomite Diesel®Injector SetGMC Sierra 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 provide...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 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, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$141.51 - $359.45Save: 15%$120.29 - $305.53
- GB Remanufacturing®Fuel Injector O-Ring KitGMC Sierra 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 will...Meets or exceeds OE specificationsPrecision manufactured to fit and function flawlessly$2.17 - $17.79
- Standard®Fuel Injector O-Ring KitGMC Sierra 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$6.54 - $34.69
- ACDelco®Genuine GM Parts™ Fuel Injection Fuel Distributor O-RingsGMC Sierra 4.8L / 5.3L / 6.0L 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$39.79Save: $5.97 (15%)$33.82
- ACDelco®Genuine GM Parts™ Fuel Injection Fuel Rail Pressure Relief ValveGMC Sierra 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 replacement...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$41.51Save: $6.22 (15%)$35.29
- ACDelco®Genuine GM Parts™ Fuel Injector O-Ring KitGMC Sierra 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 malfunctioning part,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$23.50 - $41.74Save: 15%$19.97 - $35.48
- ACDelco®Genuine GM Parts™ Fuel Injector and Insulator Retainer KitGMC Sierra 4.8L / 6.0L / 8.1L 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$13.06Save: $1.96 (15%)$11.10
- Bosch®Diesel Fuel Injection Fuel RailGMC Sierra 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 malfunctioning...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$268.52 - $644.66
- Genuine®Fuel Injector SealGMC Sierra 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 chain...Designed to restore your vehicle’s fuel delivery systemGenuine OE replacement parts from the OE manufacturer$30.38
- 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$2.55 - $14.07
- Dorman®Help™ Fuel Injector O-Ring KitGMC Sierra 1500 Gas 2003, Help™ Fuel Injector O-Ring Kit by Dorman®. Seal and Cover Kit. 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...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$15.81
- Dorman®OE Solutions™ Fuel Injector O-Ring KitGMC Sierra 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 materials to...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$12.88
- Dorman®OE Solutions™ Fuel Injector SleeveGMC Sierra 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 a...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
- Dorman®OE Solutions™ Injector Fuel Return LineGMC Sierra 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 made of...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 Cold Start Valve GasketsGMC Sierra 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 worn-out or...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$1.72Save: $0.25 (15%)$1.47
Popular Products
- $1,971.33 - $4,064.77
- $23.98 - $33.05
- $244.07 - $401.68
2003 GMC Sierra Models
Related Searches