2003 GMC Sierra Throttle Bodies
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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 - Fel-Pro®Fuel Injection Throttle Body Mounting GasketGMC Sierra 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$4.22 - $5.53
- 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$229.55Save: $34.43 (15%)$195.12
- Standard®Fuel Injection Throttle Body Mounting GasketGMC Sierra 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 malfunctioning...Each Throttle Body Injection Flange Gasket is a direct-fit OE replacement that ensures ease of installationHigh-quality materials withstand extreme conditions$6.66
- 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$3.80 - $7.62
- Elring®Fuel Injection Throttle Body Mounting GasketGMC Sierra 2003, Fuel Injection Throttle Body Mounting Gasket by Elring®. 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 as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$5.14
- JET®Powr-Flo™ Throttle Body SpacerGMC Sierra 2003, Powr-Flo™ Throttle Body Spacer by JET®. The Powr-Flo spacers bore is designed to increase the velocity of the air flow into the intake manifold. By delivering the air with more velocity it allows more air into the...Increased Mid-Range Horsepower And TorqueImproved Throttle Response/Increased Fuel Economy$107.96
- Trans-Dapt®Torque Curve MPFI SpacerGMC Sierra 2003, Torque Curve MPFI Spacer by Trans-Dapt®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the...Built to match your exact requirementsHigh quality you can rely on$64.88 - $65.55
- Volant®Vortice Throttle Body SpacerGMC Sierra 4.8L / 5.3L / 6.0L 2003, Vortice Throttle Body Spacer by Volant®. In the quest for more air, the throttle body is the last assembly that can be modified before air enters the engine. Vortice throttle body spacers employ a...Glass-filled nylon constructionO-ring, gasket and hardware included$71.90
- 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$21.03
- Autotecnica®Idle Air Control ValveGMC Sierra 1500 2003, Idle Air Control Valve by Autotecnica®. With Seal. Looking for a high-grade and reliable replacement product that is as good in quality as a “genuine” part but is offered at a more accessible price? This...Built in full compliance with rigorous OEM standardsGuarantees impeccable quality and long-lasting value$38.01
- Victor Reinz®Fuel Injection Throttle Body Mounting GasketGMC Sierra 2003, Fuel Injection Throttle Body Mounting Gasket by Victor Reinz®. 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$5.45 - $7.09
- Apex Auto®Fuel Injection Throttle Body Mounting GasketGMC Sierra 2003, Fuel Injection Throttle Body Mounting Gasket by Apex Auto®. 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...Quick accurate delivery with excellent fill-rateExcellent inventory availability$4.19
- WVE®Fuel Injection Throttle BodyGMC Sierra 2003, Fuel Injection Throttle Body 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$174.68 - $215.42
- Fast®EZ-EFI Engine Kit with EZ-TCU and LSXRT ManifoldGMC Sierra 1500 4.3L / 4.8L / 5.3L 2003, EZ-EFI Engine Kit with EZ-TCU and LSXRT Manifold by Fast®. Designed with big speed fans in mind, this mind-blowing fuel system upgrade will help you maximize engine performance and fuel...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5,688.95
- JET®Powr-Flo™ Throttle BodyGMC Sierra 2003, Powr-Flo™ Throttle Body by JET®. The JET Powr-Flo Throttle Body is a direct replacement for the factory unit. It can be used to replace a worn-out throttle body or to upgrade the existing throttle body. JET Powr-Flo...$379.46
- ReplacementThrottle BodyGMC Sierra 2003, Throttle Body by Replacement. Fuel delivery parts play a pivotal role in ensuring a vehicle's efficient performance, channeling fuel seamlessly from tank to engine. Replacement specializes in producing aftermarket auto...Cost-effective alternative to OEM parts without compromising qualityExpertly engineered as a direct replacement for worn-out or damaged fuel delivery components$60.44
- TSP®Velocity 4-Bolt Throttle BodyGMC Sierra 4.8L / 5.3L / 6.0L Chevy Small Block 2003, Velocity 4-Bolt Throttle Body by TSP®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the...$136.16
- ACDelco®GM Original Equipment™ Throttle Position SensorGMC Sierra 1500 2003, GM Original Equipment™ Throttle Position Sensor by ACDelco®. With Seal. Mating Connector With Leads Use PT1825. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a...98% application coverage for GM Vehicles, dating back to 1986GM-recommended replacement part for your GM vehicle’s original factory component$47.32Save: $7.10 (15%)$40.22
- ReplacementFuel Injection Idle Air Control ValveGMC Sierra 1500 4.3L 2003, Fuel Injection Idle Air Control Valve by Replacement. Fuel delivery parts play a pivotal role in ensuring a vehicle's efficient performance, channeling fuel seamlessly from tank to engine. Replacement...Cost-effective alternative to OEM parts without compromising qualityExpertly engineered as a direct replacement for worn-out or damaged fuel delivery components$5.75
- ReplacementThrottle Position SensorGMC Sierra 2003, Throttle Position Sensor by Replacement. Fuel delivery parts play a pivotal role in ensuring a vehicle's efficient performance, channeling fuel seamlessly from tank to engine. Replacement specializes in producing...Cost-effective alternative to OEM parts without compromising qualityExpertly engineered as a direct replacement for worn-out or damaged fuel delivery components$2.70
- TruParts®Idle Air Control ValveGMC Sierra 4.3L 2003, Idle Air Control Valve by TruParts®. With Seals. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$111.66
- TruParts®Throttle Position SensorGMC Sierra 4.3L 2003, Throttle Position Sensor by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with rigorous...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$19.72
- Edge®Amp'd 2.0 Throttle Sensitivity BoosterGMC Sierra 3500 6.6L 2003, Amp'd 2.0 Throttle Sensitivity Booster by Edge®. Take your throttle sensitivity adjustment wireless! The Ampd 2.0 throttle sensitivity booster is the most advanced throttle modification device on the market...High quality at an affordable priceExpertly made from premium materials$281.95
- JT&T®4-Wire Distributor Module and Idle Air Control Connector PigtailGMC Sierra 2500 HD / 3500 2003, 4-Wire Distributor Module and Idle Air Control Connector Pigtail by JT&T®. Designed utilizing the latest technology, this product by JT&T features premium quality and will perform better than advertised....Metri-Pack 150.2 (Pull-To-Seat) Series(4) 18 AWG Leads and Weather-Pack Seal$12.10
- Rough Country®Throttle Body SpacerGMC Sierra 1500 / 1500 HD 2003, Throttle Body Spacer by Rough Country®. Upgrade your worn out rubber brake lines with Rough Country's Extended Stainless Steel Brake Line Kit. Rough Country DOT approved brake line kits offer the...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$79.95
- Trans-Dapt®Smooth-Bore MPFI SpacerGMC Sierra 2003, Smooth-Bore MPFI Spacer by Trans-Dapt®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...Built to match your exact requirementsHigh quality you can rely on$58.36
- Apex Auto®Throttle Body GasketGMC Sierra 4.3L 2003, Throttle Body Gasket by Apex Auto®. 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...Quick accurate delivery with excellent fill-rateExcellent inventory availability$3.47
- Holley®Drive-By-Wire Throttle Body Wiring HarnessesDrive-By-Wire Throttle Body Wiring Harnesses by Holley®. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds,...Made with precision and quality in mindBuilt to last$245.95
Popular Products
- $23.98 - $33.05
- $244.07 - $401.68
- $1,971.33 - $4,064.77
2003 GMC Sierra Models
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