2003 GMC Sierra Fuel System Parts
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Gates®Locking Flex Fuel Tank CapGMC Sierra 1500 2003, Locking Flex 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...High visibility yellow cover; "E85" is printed on the capHelps prevent fuel contamination$19.16 - WIX®Complete In-Line Fuel FilterGMC Sierra Canada Built / USA Built 2003, Complete In-Line Fuel Filter by WIX®. The fuel filter is often the forgotten filter. Yet the fuel put into diesel and off-road equipment, more often than not, contains contaminants such as dirt,...Provides highly efficient and unmatched fuel cleansing performanceProtects advanced fuel injection systems from contaminants$14.70
- aFe®Silver Bullet Throttle Body SpacerGMC Sierra 4.8L / 5.3L / 6.0L / 8.1L GMT800 with California Emissions 2003, Silver Bullet Throttle Body Spacer by aFe®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$139.00
- Dorman®OE Solutions™ Fuel Tank Filler NeckGMC Sierra 2003, OE Solutions™ Fuel Tank Filler Neck by Dorman®. Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years,...Direct replacement - this fuel filler neck is made to match the original equipment on specific vehiclesDurable construction - made of corrosion-resistant materials to reduce future failure potential$51.80 - $116.94
- Standard®Throttle Position SensorGMC Sierra 2003, 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 reputation for...Each Standard® sensor is a direct-fit replacement sensor that restores proper information transfer to the ECU on throttle position providing efficient fuel economy and engine performanceEach Standard® throttle position sensor features quality construction that promotes accurate communication of throttle valve angle to the vehicles computer, resulting in improved performance$32.35 - $89.75
- TRQ®Throttle Position SensorGMC Sierra 4.3L / 4.8L / 5.3L Gas 2003, Throttle Position Sensor by TRQ®. This top-notch TRQ throttle position sensor offers a lot of benefits. From excellent fitment to great operation, this product has everything you need to keep your...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$24.91$25.95Save $1.04 (4%)
- 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$12.54
- Spectra Premium®Fuel Tank Lock RingGMC Sierra 2003, Fuel Tank Lock Ring by Spectra Premium®. Every time you replace the fuel tank or fuel pump module, don't forget to change the fuel tank lock ring that secures the fuel pump module to the fuel tank. With OE design, this...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$12.75 - $18.28
- Agility®Fuel Filler NeckGMC Sierra Stepside 2003, Fuel Filler Neck by Agility®. 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$41.85
- 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$2.16 - $17.79
- 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$27.63 - $87.62
- 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
- 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$55.93 - $64.85
- 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$27.05
- Genuine®Fuel Injection Pressure RegulatorGMC Sierra 6.6L 2003, Fuel Injection Pressure Regulator 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...Designed to restore your vehicle’s fuel delivery systemGenuine OE replacement parts from the OE manufacturer$629.38
- TRQ®Fuel Tank StrapGMC Sierra 2003, Fuel Tank Strap by TRQ®. Whether you need to replace the fuel tank strap that has worn out or during fuel tank replacement or service, go with this reliable TRQ fuel tank strap to make it right. This strap is made from...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$46.95 - $47.47
- ACDelco®GM Original Equipment™ Fuel Level SensorGMC Sierra 2003, GM Original Equipment™ Fuel Level 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, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$129.62
- WVE®Fuel Pump RelayGMC Sierra 2003, Fuel Pump Relay 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 meet or...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$14.41 - $17.90
- Standard®Tru-Tech™ Fuel Injection Pressure RegulatorGMC Sierra 2003, Tru-Tech™ 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...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$33.56 - $44.20
- 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
- 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$60.13 - $75.31
- ACDelco®Genuine GM Parts™ Fuel Injection Throttle Body Mounting GasketGMC Sierra 8.1L 2003, Genuine GM Parts™ Fuel Injection Throttle Body Mounting Gasket 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.61
- Standard®Throttle Body Idle Air Control MotorGMC Sierra 4.3L 2003, Throttle Body Idle Air Control Motor 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...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$60.98
- 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
- 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
- ACDelco®Genuine GM Parts™ Fuel Line ClipGMC Sierra 2003, Genuine GM Parts™ Fuel Line Clip 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$4.68 - $6.81
- ACDelco®Genuine GM Parts™ Fuel Tank Sending Unit O-RingGMC Sierra 2003, Genuine GM Parts™ Fuel Tank Sending Unit O-Ring 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$14.33
- ACDelco®Genuine GM Parts™ Fuel Tank StrapGMC Sierra 2003, Genuine GM Parts™ Fuel Tank Strap 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$37.15 - $38.88
- 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$52.50 - $119.76
- Replace®Fuel Tank StrapsGMC Sierra 2003, Fuel Tank Straps by Replace®. 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$25.11 - $66.87
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2003 GMC Sierra Models
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