2003 Chevy Trailblazer Emission Control Parts
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TRQ®Oxygen SensorChevy Trailblazer 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% - Dorman®OE Solutions™ Vapor CanisterChevy Trailblazer / Trailblazer EXT 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...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$125.17
- Standard®PCV ValveChevy Trailblazer EXT 5.3L 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...Made with precision and quality in mindDesigned to meet your specific needs$7.80
- Walker Products®Oxygen SensorChevy Trailblazer 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$31.52 - $35.59
- ACDelco®Genuine GM Parts™ Oxygen SensorChevy Trailblazer 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...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$51.56 - $87.69
- Bosch®Premium Oxygen SensorChevy Trailblazer 2003, Premium 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$29.92 - $45.05
- Denso®Oxygen SensorChevy Trailblazer 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...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$37.95 - $45.91
- Walker Products®Premium Oxygen SensorChevy Trailblazer 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...Improved Engine Response & PerformanceLower Emissions$39.38 - $42.09
- Spectra Premium®Oxygen SensorChevy Trailblazer 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...Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements$17.74 - $34.58
- WVE®Vapor CanisterChevy Trailblazer 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$139.61 - $210.53
- WVE®PCV ValveChevy Trailblazer EXT 5.3L 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$7.98
- ACDelco®Gold™ PCV ValveChevy Trailblazer EXT 5.3L 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,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.63
- NTK®Oxygen SensorChevy Trailblazer 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...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$31.13 - $39.82
- Delphi®Oxygen SensorChevy Trailblazer 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...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$52.11 - $61.91
- Bosch®Narrow-band Oxygen SensorChevy Trailblazer 2003, Narrow-band Oxygen Sensor by Bosch®. Position: Upstream. The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which...OE-EquivalentOE Style connectors and wire lengths$46.79
- Denso®Universal Fit Oxygen SensorChevy Trailblazer 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...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$47.80
- Standard®Tru-Tech™ Vapor CanisterChevy Trailblazer / Trailblazer EXT 4.2L 2003, Tru-Tech™ 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...Made with precision and quality in mindDesigned to meet your specific needs$25.11
- ACDelco®Gold™ Vapor CanisterChevy Trailblazer / Trailblazer EXT 4.2L 2003, Gold™ 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$33.35
- Forecast®PCV ValveChevy Trailblazer EXT 5.3L 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...High quality at an affordable priceExpertly made from premium materials$8.90
- Standard®Diesel Emissions Fluid PumpChevy Trailblazer / Trailblazer EXT 2003, Diesel Emissions Fluid Pump by Standard®. Warranty: 3 years/36,000 mile. Standard™ is the premier professional engine management brand in the automotive aftermarket today. Standard leads the...High quality at an affordable priceExpertly made from premium materials$312.03
- Standard®Vapor Canister Vent SolenoidChevy Trailblazer / Trailblazer EXT 2003, Vapor Canister Vent Solenoid by Standard®. Committed to being the best, Standard Motor Products manufactures and distributes a full line of engine management related products, including ignition...Superior resistance to enviromental influences due to proprietary one piece molding techniqueProducts are 100% tested in production$30.01
- GPD®Vapor Canister Purge SolenoidChevy Trailblazer 2003, Vapor Canister Purge Solenoid by GPD®. The vapor canister purge valve/solenoid controls the amount of fuel vapor purged from the charcoal canister to the engine, preventing excess fuel vapor from escaping into...Designed to meet/exceed OE fit, form, and functionDurability tested on every new design$28.19 - $29.53
- ACDelco®GM Original Equipment™ Vapor Canister Vent ValveChevy Trailblazer / Trailblazer EXT 2003, GM Original Equipment™ Vapor Canister Vent Valve by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$46.21
- ACDelco®GM Original Equipment™ Vapor Canister Purge ValveChevy Trailblazer 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$29.43 - $38.40
- Dorman®OE Solutions™ Vapor Canister Purge ValveChevy Trailblazer 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....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$26.63 - $31.10
- Dorman®OE Solutions™ Vapor Canister Vent ValveChevy Trailblazer / Trailblazer EXT 2003, OE Solutions™ Vapor Canister Vent Valve by Dorman®. A malfunctioning vapor canister vent can cause the engine light to come on. This replacement valve is engineered of quality materials for...Direct replacement - this vapor canister vent valve fits and functions like the original partQuality construction - manufactured from premium materials for a long service life$17.09
- TRQ®Vapor Canister Purge SolenoidChevy Trailblazer 2003, Vapor Canister Purge Solenoid by TRQ®. Designed to perform just as well as the OEM part, this vapor canister purge solenoid is what you need to restore the emission control system of your vehicle. The product is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.13 - $49.42$25.95 - $50.95Save up to 7%
- Standard®Vapor Canister Purge SolenoidChevy Trailblazer 2003, Vapor Canister Purge Solenoid 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...The canister purge solenoid is constructed high grade industrial plastic to withstand low and high heat engine operating temperaturesEach connector and terminal is constructed with OE quality materials to ensure an exact fit connection, resuming peak conductivity to the engine wiring harness, and resulting in a precise engine performance$29.87 - $35.84
- Standard®Intermotor™ Vapor Canister Purge SolenoidChevy Trailblazer EXT 5.3L 2003, Intermotor™ Vapor Canister Purge Solenoid by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and...Made with precision and quality in mindDesigned to meet your specific needs$30.89
- WVE®Vapor Canister Vent SolenoidChevy Trailblazer / Trailblazer EXT 2003, Vapor Canister Vent Solenoid 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$23.00
Shop By Service Type
- Oxygen Sensor Replacement
- Air Pump Check Valve Replacement
- Evaporation Vent Solenoid Replacement
- Positive Crankcase Ventilation (PCV) Valve Hose Replacement
- Canister Purge Solenoid Replacement
- Positive Crankcase Ventilation (PCV) Valve Replacement
- Fuel Evaporative Canister Replacement
- Air Pump Check and Diverter Valve Replacement
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2003 Chevy Trailblazer Emission Control Reviews
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Posted by Chris (Nekoosa, WI) / November 21, 20172003 Chevy Trailblazer
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