2003 GMC Sierra 2500 Fuel System Parts
Select Your Submodel
-
ACDelco®Genuine GM Parts™ Diesel Fuel Feed and Return Line SetGMC Sierra 2500 HD 2003, Genuine GM Parts™ Diesel Fuel Feed and Return Line Set 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$371.40 - ACDelco®Genuine GM Parts™ Fuel Line SetGMC Sierra 2500 HD With Two Inch Body Raise Inner Diameter 2003, Genuine GM Parts™ Fuel Line Set 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$374.65 - $389.56
- ACDelco®GM Original Equipment™ Fuel Tank CapGMC Sierra 2500 2003, GM Original Equipment™ Fuel Tank Cap 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$17.90 - $35.18
- ACDelco®Genuine GM Parts™ Fuel Supply HoseGMC Sierra 2500 HD 2003, Genuine GM Parts™ Fuel Supply Hose 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$184.43
- Spectra Premium®Fuel Tank Filler NeckGMC Sierra 2500 2003, Fuel Tank Filler Neck by Spectra Premium®. When you are looking for OE quality and performance at an affordable price, Spectra Premium is the right choice for you. Designed and manufactured to meet or exceed OE...Manufactured to meet OE fit and functionOE quality at an affordable price$61.04 - $99.64
- ACDelco®Genuine GM Parts™ Fuel FilterGMC Sierra 2500 2003, Genuine GM Parts™ Fuel Filter 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$19.04 - $191.64
- AIRAID®PowerAid™ Throttle Body SpacerGMC Sierra 2500 / Sierra 2500 HD 6.0L with California Emissions 2003, PowerAid™ Throttle Body Spacer by AIRAID®. The POWERAID Throttle Body Spacer is designed to enhance off-idle torque from 800 rpm to approximately 3,000 rpm. The...Enhances fuel atomization, which improves combustion and engine efficiencyIncreases low end torque and fuel economy$149.99
- MotoRad®Fuel Tank CapGMC Sierra 2500 2003, Fuel Tank Cap by MotoRad®. MotoRad fuel caps are designed and manufactured to prevent fuel loss, primarily through evaporation. A faulty or leaky fuel cap emit up-to 30 gallons of fuel per year in to the...Prevents leakingPrevent fuel loss through evaporation$4.75 - $15.70
- Gates®Locking Fuel Tank CapGMC Sierra 2500 2003, Locking Fuel Tank Cap by Gates®. Comes with two keys. Keyed-alike caps available on special order. Expertly designed with top-of-the-line technology to outdo the competition, this one-of-a-kind product will surpass...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$15.44 - $15.59
- ACDelco®Genuine GM Parts™ Rear Fuel Injection Fuel Feed HoseGMC Sierra 2500 / Sierra 2500 HD 2003, Genuine GM Parts™ Rear Fuel Injection Fuel Feed Hose 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$102.86 - $135.13
- Fel-Pro®Fuel Injection Throttle Body Mounting GasketGMC Sierra 2500 2003, Fuel Injection Throttle Body Mounting Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering...Direct OEM replacement for a proper fitEnsures reliable sealing performance$4.83 - $5.97
- ACDelco®GM Original Equipment™ Fuel Injection Pressure RegulatorGMC Sierra 2500 / Sierra 2500 HD 2003, GM Original Equipment™ Fuel Injection Pressure Regulator 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$76.02
- Dorman®OE Solutions™ Accelerator Pedal Position SensorGMC Sierra 2500 / Sierra 2500 HD Without Adjustable Pedals 2003, OE Solutions™ Accelerator Pedal Position Sensor by Dorman®. This direct replacement accelerator pedal position sensor matches the fit and performance of a failed...Ideal replacement - this accelerator pedal position sensor matches the fit and function of the original sensorPlug & play installation - no special tools or programming required to install this sensor$37.15
- TRQ®Fuel Level SensorGMC Sierra 2500 2003, Fuel Level Sensor by TRQ®. Stop playing a guessing game of how much fuel is left in the tank by replacing your failing fuel level sensor with a high-quality fuel monitoring part from TRQ. It will help you restore...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$30.35$31.95Save 5%
- Dorman®OE Solutions™ Throttle Body Position SensorGMC Sierra 2500 / Sierra 2500 HD 6.0L 2003, OE Solutions™ Throttle Body Position Sensor by Dorman®. This throttle position sensor is designed to match the fit and function of the original sensor on specified vehicles, and is...Direct replacement - this throttle position sensor is designed to match the fit and function of the original sensor on specified vehiclesIdeal solution - this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction$68.28
- 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
- ACDelco®Genuine GM Parts™ Fuel Tank Sending Unit Lock RingGMC Sierra 2500 / Sierra 2500 HD 2003, Genuine GM Parts™ Fuel Tank Sending Unit Lock Ring by ACDelco®. With Twist Lock Style. 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$20.93
- ACDelco®GM Original Equipment™ Fuel Pump ConnectorGMC Sierra 2500 2003, GM Original Equipment™ Fuel Pump Connector 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$27.97 - $50.94
- Dorman®OE Solutions™ Fuel Level SensorGMC Sierra 2500 2003, OE Solutions™ Fuel Level Sensor by Dorman®. This fuel level sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.Direct replacement - this fuel level sensor is designed to match the fit and function of the original sensor on specified vehiclesIdeal solution - this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction$31.10
- Dorman®TECHoice™ Fuel Sending Unit PigtailGMC Sierra 2500 / Sierra 2500 HD 2003, TECHoice™ Fuel Sending Unit Pigtail by Dorman®. 4 Way Female. With Leads. This fuel sender connector is designed to match the appearance and function of the original hardware on specified...Ideal solution - this connector is a reliable replacement for an original part that is missing or has failed due to fatigueDurable construction - this part is made from quality materials to ensure reliable performance and long service life$32.08
- WVE®Fuel Injection Pressure SensorGMC Sierra 2500 HD 6.6L 2003, Fuel Injection Pressure Sensor by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$319.61
- Santech®Fuel Pump RelayGMC Sierra 2500 / Sierra 2500 HD 2003, Fuel Pump Relay by Santech®. 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...Premium parts you can rely onDesigned to restore functionality$9.27 - $13.16
- ACDelco®Genuine GM Parts™ Fuel Line BracketGMC Sierra 2500 HD 2003, Genuine GM Parts™ Fuel Line Bracket 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$5.84 - $6.73
- Dorman®OE Solutions™ Fuel Injection Fuel Feed Hose SealGMC Sierra 2500 HD 6.6L 2003, OE Solutions™ Fuel Injection Fuel Feed Hose Seal by Dorman®. Inned Diameter: 0.59". Outside Diameter: 1.39". Thickness: 0.47". This replacement fuel injection feed hose is made to safely transfer fuel and...Trustworthy replacement - this fuel feed hose safely replaces the original hose to fix fuel leaksDurable design - withstands tough underhood and undercar conditions$33.33
- 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
- Standard®Fuel Injection Throttle Body Mounting GasketGMC Sierra 2500 HD 8.1L 2003, Fuel Injection Throttle Body Mounting Gasket 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...Each Throttle Body Injection Flange Gasket is a direct-fit OE replacement that ensures ease of installationHigh-quality materials withstand extreme conditions$6.66
- TRQ®Fuel Pump and Sender AssemblyGMC Sierra 2500 2003, Fuel Pump and Sender Assembly by TRQ®. Replace your damaged or malfunctioning fuel pump and sender assembly to keep your engine functioning properly and your vehicle in a roadworthy condition. This TRQ replacement...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$63.60 - $68.35$66.95 - $71.95Save 5%
- Gates®Replacement Fuel Tank CapGMC Sierra 2500 2003, Replacement Fuel Tank Cap by Gates®. Expertly designed with top-of-the-line technology to outdo the competition, this one-of-a-kind product will surpass your highest expectations. It was made using first-rate...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$6.33 - $18.70
- Bosch®Fuel FilterGMC Sierra 2500 / Sierra 2500 HD Gas 2003, Fuel Filter by Bosch®. Bosch Fuel Filters help to protect the most expensive parts of the engine by filtering out foreign particles that can damage a fuel injector. A damaged fuel filter can...Dirt-holding capacity of 15 grams (Test based upon SAE J905 at 0.7 bar on 77041WS)Multi-layered filter media with 99% efficiency (Test based upon SAE J905 on 77041WS)$9.53
- Spectra Premium®Fuel Filler HoseGMC Sierra 2500 2003, Fuel Filler Hose by Spectra Premium®. 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$60.78
