2004 Chevy Trailblazer Emission Control Parts
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ACDelco®Genuine GM Parts™ Vapor CanisterChevy Trailblazer 2004, 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$292.54Save: $38.33 (13%)$254.21 - TRQ®Oxygen SensorChevy Trailblazer 2004, 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$35.95 - $56.95Save: up to 5%$34.15 - $55.24
- Dorman®OE Solutions™ Vapor CanisterChevy Trailblazer / Trailblazer EXT 2004, 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$127.97
- Cardone Reman®Secondary Air Injection PumpChevy Trailblazer / Trailblazer EXT 4.2L 2004, Secondary Air Injection Pump by Cardone Reman®. Domestic. Cardone Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary...100% testing of all units guarantees reliable performance every timeHigh temperature grease extends bearing life, resulting in longer pump life$138.07
- Standard®PCV ValveChevy Trailblazer EXT 5.3L 2004, 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$8.85
- SKP®Secondary Air Injection PumpChevy Trailblazer / Trailblazer EXT 4.2L 2004, Secondary Air Injection Pump by SKP®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with...Made with precision and quality in mindDesigned to meet your specific needs$119.31
- Spectra Premium®Oxygen SensorChevy Trailblazer 2004, 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 - $37.66
- ACDelco®Genuine GM Parts™ Oxygen SensorChevy Trailblazer 2004, 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$59.85 - $84.16Save: up to 19%$50.88 - $68.38
- Bosch®Premium Narrow-band Oxygen SensorChevy Trailblazer 2004, 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...OE Identical ConnectorCompact Design$36.44 - $55.32
- ACDelco®Genuine GM Parts™ Secondary Air Injection PumpChevy Trailblazer 2004, Genuine GM Parts™ Secondary Air Injection Pump 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$245.85Save: $39.06 (16%)$206.79
- ACDelco®Genuine GM Parts™ PCV ValveChevy Trailblazer EXT 5.3L 2004, Genuine GM Parts™ 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$11.70Save: $1.75 (15%)$9.95
- Walker Products®Premium Oxygen SensorChevy Trailblazer 2004, 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 - $47.71
- Denso®Oxygen SensorChevy Trailblazer 2004, 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$36.29 - $51.93
- Walker Products®Oxygen SensorChevy Trailblazer 2004, 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$33.22 - $37.81
- ACDelco®Gold™ PCV ValveChevy Trailblazer EXT 5.3L 2004, 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$7.99 - $8.05Save: 15%$6.79 - $6.84
- Dorman®OE Solutions™ Secondary Air Injection PumpChevy Trailblazer / Trailblazer EXT 4.2L 2004, OE Solutions™ Secondary Air Injection Pump by Dorman®. Dorman’s A.I.R. Pump comes with all the hardware and other components necessary for a complete repair. Since this part is a direct...Save money by replacing only the failed pump - instead of the entire mating cover assemblyReplacement restores A.I.R. System to proper functioning$229.50
- NTK®Oxygen SensorChevy Trailblazer 2004, 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$34.40 - $47.32
- Denso®Universal Fit Oxygen SensorChevy Trailblazer EXT 5.3L 2004, 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...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$46.30
- WVE®PCV ValveChevy Trailblazer EXT 5.3L 2004, 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
- Delphi®Oxygen SensorChevy Trailblazer 2004, 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$51.34 - $61.91
- ACDelco®Gold™ Vapor CanisterChevy Trailblazer / Trailblazer EXT 4.2L 2004, 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$38.72Save: $5.80 (15%)$32.92
- WVE®Vapor CanisterChevy Trailblazer 2004, 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
- Standard®Diesel Emissions Fluid PumpChevy Trailblazer / Trailblazer EXT 2004, 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$312.30
- Standard®Secondary Air Injection PumpChevy Trailblazer / Trailblazer EXT 4.2L 2004, Secondary Air Injection Pump 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$199.97
- ACDelco®GM Original Equipment™ Vapor Canister Purge ValveChevy Trailblazer 2004, 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$40.06 - $44.57Save: 15%$34.09 - $37.89
- Dorman®OE Solutions™ Vapor Canister Purge ValveChevy Trailblazer 2004, 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$25.54 - $26.75
- Dorman®OE Solutions™ Vapor Canister Vent ValveChevy Trailblazer / Trailblazer EXT 2004, 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$19.97
- ACDelco®Genuine GM Parts™ Secondary Air Injection Check ValveChevy Trailblazer 2004, Genuine GM Parts™ Secondary Air Injection Check Valve by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$108.20Save: $16.23 (15%)$91.97
- Standard®Intermotor™ Vapor Canister Purge SolenoidChevy Trailblazer EXT 5.3L 2004, 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$24.40
- Standard®Vapor Canister Vent SolenoidChevy Trailblazer / Trailblazer EXT 2004, 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$26.84
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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2004 Chevy Trailblazer Emission Control Reviews
1 review
Catalytic Converter
Walker® 55476 - Ultra™ Direct Fit Round Body Catalytic Converter and Pipe AssemblyPosted by Shannon (Johnstown, PA) / January 18, 20182004 Chevy Trailblazer
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