2003 GMC Sierra Emission Control Parts
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ACDelco®Genuine GM Parts™ Vapor CanisterGMC Sierra 2003, Genuine GM Parts™ Vapor Canister by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$172.80 - $185.05 - TRQ®Oxygen SensorGMC Sierra 6.0L 2003, Oxygen Sensor by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is isostatically-pressed for improved...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$34.87 - $54.67$35.95 - $56.95Save up to 4%
- WVE®EGR ValveGMC Sierra 2003, EGR Valve by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics and the engine to minimize emissions of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$100.06 - $237.90
- Dorman®OE Solutions™ Vapor CanisterGMC Sierra 2003, OE Solutions™ Vapor Canister by Dorman®. This vapor canister has been made to match the original equipment evap canister on certain vehicle years, makes and models, properly restoring emissions controls. Designed...Direct replacement - this evaporative emissions charcoal canister matches the function and performance of the original canister on specified vehiclesRestores performance - properly repairs issues with emissions controls to clear check engine light and pass inspection$117.87 - $127.65
- Standard®PCV ValveGMC Sierra 2003, PCV Valve 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 integrity to all...Made with precision and quality in mindDesigned to meet your specific needs$4.59 - $67.60
- ACDelco®GM Original Equipment™ PCV ValveGMC Sierra 2003, GM Original Equipment™ PCV Valve by ACDelco®. Straight Fitting High Flow 5.2 Cfm. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$4.52 - $56.32
- Standard®Vapor CanisterGMC Sierra 2003, Vapor Canister 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 integrity to all...Featuring industrial grade materials for robust performanceEnd of the line testing ensures quality in every box$142.79 - $147.08
- TRQ®Oxygen SensorGMC Sierra 2003, Oxygen Sensor by TRQ®. If your oxygen sensor fails, replace it with this top-grade part developed to easily fix the problem. Built to fit and function exactly as the part it is replacing, the product provides excellent...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$36.81 - $127.66$37.95 - $128.95Save up to 4%
- Walker Products®Oxygen SensorGMC Sierra 2003, Oxygen Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$30.26 - $41.38
- Bosch®Premium Narrow-band Oxygen SensorGMC Sierra 2003, Premium Narrow-band Oxygen Sensor by Bosch®. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an Oxygen Sensor from Bosch that is...OE Identical ConnectorCompact Design$33.07 - $60.87
- Denso®Oxygen SensorGMC Sierra 2003, Oxygen Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the use...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$35.25 - $60.00
- ACDelco®Genuine GM Parts™ Oxygen SensorGMC Sierra 2003, Genuine GM Parts™ Oxygen Sensor by ACDelco®. If your O2 sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s GM OE Oxygen Sensor help.ACDelco GM OE Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsDetects oxygen content in the exhaust gases$47.58 - $77.86
- NTK®Oxygen SensorGMC Sierra 2003, Oxygen Sensor by NTK®. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element then sends voltage signals back to...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$48.63 - $58.97
- Walker Products®Premium Oxygen SensorGMC Sierra 2003, Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. The oxygen...Improved Engine Response & PerformanceLower Emissions$37.95 - $53.35
- Spectra Premium®Oxygen SensorGMC Sierra 2003, Oxygen Sensor by Spectra Premium®. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the aftermarket’s most rigorous...Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements$31.82 - $59.03
- Bosch®Narrow-band Oxygen SensorGMC Sierra 8.1L 2003, Narrow-band Oxygen Sensor by Bosch®. Position: Downstream Driver Side. The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense...OE-EquivalentOE Style connectors and wire lengths$42.09
- ACDelco®Gold™ PCV ValveGMC Sierra 2003, Gold™ PCV Valve by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.79 - $6.84
- Standard®EGR ValveGMC Sierra 2003, EGR Valve 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 integrity to all...Polyester-reinforced silicone diaphragm resists thermal aging in temperatures up to 200°CInjection-molded high-temperature polymer prevents temperature-releated failures$106.60 - $162.75
- Denso®Universal Fit Oxygen SensorGMC Sierra 2003, Universal Fit Oxygen Sensor by Denso®. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to monitor the air fuel mixture under...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$42.11
- WVE®Vapor CanisterGMC Sierra 2003, Vapor Canister by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics and the engine to minimize emissions of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$190.01 - $224.07
- WVE®PCV ValveGMC Sierra 2003, PCV Valve by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics and the engine to minimize emissions of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$3.37 - $65.00
- ACDelco®Genuine GM Parts™ EGR ValveGMC Sierra 8.1L 2003, Genuine GM Parts™ EGR Valve by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$141.93
- Bosch®Universal Fit Narrow-band Oxygen SensorGMC Sierra 2003, Universal Fit Narrow-band Oxygen Sensor by Bosch®. Universal Oxygen Sensors with OE SmartLink™ are quick and easy to install. Each sensor has enough length of sensor wire to allow maximum replacement of worn...Patented SmartLink™ connector systemNo special tools required for installation$47.85
- Walker Products®EGR ValveGMC Sierra 8.1L 2003, EGR Valve by Walker Products®. The Exhaust Gas Recirculation Valve, also referred to as EGR, meters the exhaust gas that is being recirculated into the intake manifold. This exhaust gas recirculation process...Valve gets stuck in the closed or open position due to a build-up of dirt, debris, or carbonClogged catalytic converter$105.02
- Vemo®Oxygen SensorGMC Sierra 2003, Oxygen Sensor by Vemo®. Location: Post-Catalyst. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...High quality at an affordable priceExpertly made from premium materials$59.87 - $127.39
- Delphi®Oxygen SensorGMC Sierra 2003, Oxygen Sensor by Delphi®. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers partnering together to develop the most...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$50.76 - $91.27
- Forecast®PCV ValveGMC Sierra 2003, PCV Valve by Forecast®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...High quality at an affordable priceExpertly made from premium materials$8.90
- Genuine®EGR ValveGMC Sierra 6.6L 2003, EGR Valve by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using...Made with precision and quality in mindDesigned to meet your specific needs$542.83
- ACDelco®GM Original Equipment™ Vapor Canister Purge ValveGMC Sierra 2003, GM Original Equipment™ Vapor Canister Purge Valve by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$37.93 - $39.16
- Dorman®OE Solutions™ Vapor Canister Purge ValveGMC Sierra 2003, OE Solutions™ Vapor Canister Purge Valve by Dorman®. Engineered for a perfect fit and plug-and-play installation, this vapor canister purge valve is a direct replacement for the original equipment purge valve. It is...Direct replacement - this vapor canister purge valve fits and functions like original equipment to ensure proper function of your vehicle's evaporative emissions systemQuality construction - manufactured from premium materials for a long service life$24.12 - $25.54
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