2003 GMC Sierra Fuel System Parts
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MotoRad®Throttle Position SensorGMC Sierra 4.3L 2003, Throttle Position Sensor 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$17.29 - Walker Products®Throttle Position SensorGMC Sierra 2003, Throttle Position Sensor by Walker Products®. 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$23.89 - $91.69
- Delphi®Fuel Injection Pressure RegulatorGMC Sierra 2003, Fuel Injection Pressure Regulator 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...OE engineering, testing and troubleshooting to ensure precisionNitrileTM diaphragms are resilient against high-ethanol fuels$61.90 - $75.31
- Baldwin Filters®In-Line Fuel FilterGMC Sierra 2003, In-Line Fuel Filter by Baldwin Filters®. This first-rate American-made product is the winning choice for performance-minded racers. Made with craftsmanship and high-tech machinery by highly skilled engineers, it...Designed to meet or exceed OE StandardsPost Seals for application reliability and ease of service$14.07 - $16.55
- Santech®Fuel Pump RelayGMC Sierra 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 provide easy,...Premium parts you can rely onDesigned to restore functionality$9.27 - $13.16
- Dorman®OE Solutions™ Fuel Tank Lock RingGMC Sierra 2003, OE Solutions™ Fuel Tank Lock Ring by Dorman®. Twist On Cam Style. Without Hardware. Recommended for replacement whenever the sending unit is serviced, this fuel tank sending unit lock ring securely retains the fuel...Direct replacement - this fuel tank sending unit lock ring is made to match the fit and performance of the original ring on specific vehicle applicationsDurable construction - this part is made from quality materials to ensure reliable performance and long service life$13.97
- Fel-Pro®Fuel Injection Plenum Gasket SetGMC Sierra 2003, Fuel Injection Plenum Gasket Set 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 resources, the...Direct OEM replacement for a proper fitEnsures reliable sealing performance$1.94 - $25.68
- Standard®Tru-Tech™ Throttle Position SensorGMC Sierra 1500 2003, Tru-Tech™ Throttle Position Sensor 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$27.69
- Standard®Fuel Injector ConnectorGMC Sierra 2003, Fuel Injector Connector 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...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$32.03 - $87.62
- Standard®Fuel Injection Pressure RegulatorGMC Sierra 2003, Fuel Injection Pressure Regulator 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...Precision engineered pressure regulators for proper fuel delivery and engine performanceFuel pressure regulators are application specific for the perfect fit and form$59.12 - $189.81
- WVE®Idle Air Control ValveGMC Sierra 4.3L 2003, Idle Air Control Valve 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 functionality. Made to...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$58.21
- Walker Products®Fuel Injection Idle Air Control ValveGMC Sierra 4.3L 2003, Fuel Injection Idle Air Control Valve by Walker Products®. 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$48.89 - $64.85
- ACDelco®GM Original Equipment™ Fuel Injection Pressure RegulatorGMC Sierra 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 your worn-out or...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$65.42 - $87.89
- ACDelco®Genuine GM Parts™ Fuel Filler HousingGMC Sierra 2500 HD / 3500 with Base Body/Chassis 2003, Genuine GM Parts™ Fuel Filler Housing 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$23.07
- Dorman®Rear Fuel Tank StrapGMC Sierra Regular Cab / Extended Cab 2003, Rear Fuel Tank Strap by Dorman®. Dorman’s Water In Fuel Sensor is constructed from high-quality materials to withstand wear and tear due to repeated fuel filter service and other factors. It...Helps you take the necessary steps to avoid extensive damage to the fuel systemDirect replacement for a proper fit every time$29.26
- Replace®Fuel Tank Filler NeckGMC Sierra 2003, Fuel Tank Filler Neck by Replace®. Fuel filler necks are generally trouble-free components, but like anything else made of ferrous metal, they are susceptible to rust, and they can also be damaged in collisions. If...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$48.81 - $119.09
- Replace®Fuel Tank Lock RingGMC Sierra 2003, Fuel Tank Lock Ring by Replace®. For 3 1/2" Gauge Hole. Without O Ring. 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$25.19
- SKP®Fuel Filler NeckGMC Sierra 2003, Fuel Filler Neck 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. Manufactured from...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$35.32
- 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$16.90 - $32.67
- ACDelco®Genuine GM Parts™ Fuel Injection Throttle Control Actuator ModuleGMC Sierra 4.8L / 5.3L / 6.0L / 8.1L with Electronic Throttle Control 2003, Genuine GM Parts™ Fuel Injection Throttle Control Actuator Module by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$188.18
- Delphi®Throttle Body Idle Air Control MotorGMC Sierra 1500 2003, Throttle Body Idle Air Control Motor by Delphi®. Made in USA. 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$86.83
- Mahle®Throttle Body Mounting GasketGMC Sierra 2003, Throttle Body Mounting Gasket 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...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$4.04 - $5.88
- NTK®Throttle Position SensorGMC Sierra 2003, Throttle Position Sensor by NTK®. 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,...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$23.27 - $185.97
- ACDelco®GM Original Equipment™ Diesel Fuel Temperature SensorGMC Sierra 6.6L 2003, GM Original Equipment™ Diesel Fuel Temperature Sensor 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$41.70
- ACDelco®GM Original Equipment™ Flex Fuel SensorGMC Sierra Flex 2003, GM Original Equipment™ Flex Fuel Sensor 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$454.00
- ACDelco®GM Original Equipment™ Fuel Injector ConnectorGMC Sierra 1500 2003, GM Original Equipment™ Fuel Injector 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$65.87
- ACDelco®Genuine GM Parts™ Water in Fuel SensorGMC Sierra 6.6L 2003, Genuine GM Parts™ Water in Fuel Sensor 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$34.72
- Dorman®OE Solutions™ Fuel Level SensorGMC Sierra 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$31.81
- TRQ®Fuel Level SensorGMC Sierra 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 lost...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$30.03$31.95Save 6%
- Walker Products®Fuel Injection Pressure RegulatorGMC Sierra 2003, Fuel Injection Pressure Regulator by Walker Products®. 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 as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$39.74 - $52.83
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