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All vehicles should be equipped with an emission control system that reduces the harmful impact of exhaust gases, and Chevrolet automobiles are no exception. Your auto needs that system to meet clean air regulations and deliver proper performance. If a warning 'check engine' light starts flashing on your automobile's dashboard, it can indicate you should check emission control components. It shows that the problem exists and requires immediate action. Fortunately, our store has a vast assortment of Chevy replacement emission control parts you need to repair your vehicle in a proper way.

You do not have to worry about the emission test if you have already performed a preliminary check and then repaired your vehicle with quality emission control parts. Our store offers everything from EGR and PCV valves, air pumps, catalytic converters, charcoal canisters to sensors, switches, etc. Do not hesitate and look through our web store to buy replacement components in order to repair your automobile- the sooner the better. Our extensive assortment of repair parts will surely meet all your repair requirements. If you want your auto to be restored to factory condition for you to enjoy your driving experience, consider our store a perfect place to buy durable repair parts.

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    • (2 reviews)
      # sp1743
      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 equally efficient in...
      Improves gas mileageBoosts engine performance
      $15.87 - $293.22
    • (1 review)
      # sp5915
      Wideband Oxygen Sensor by Bosch®. This sensor utilizes a sophisticated sensing element enabling it to produce a precise output in proportion to the air/fuel ratio. The A/F sensor measures exhaust gas oxygen accurately from as rich...
      Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor
      $52.01 - $292.05
    • (0 reviews)
      # sp13448
      Universal Fit Oxygen Sensor by Bosch®. Properly functioning oxygen sensors are important when it comes to your vehicle's fuel efficiency and reducing harmful exhaust emissions. That's why checking for, and possibly replacing, a...
      Up to 15 % savings in fuel costsReduced CO2 emissions
      $16.80 - $65.89
    • (0 reviews)
      # sp5756
      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 innovative...
      OE connectors and wire lengths within three inches of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $16.60 - $208.01
    • (0 reviews)
      # sp4921
      Oxygen Sensor by Auto 7®. Your vehicle's emissions control system is designed to prevent pollutants from your vehicle. Is your vehicle running poorly or has it failed an emissions test? Auto 7 has the quality parts to repair your...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      $30.54 - $219.01
    • (9 reviews)
      # sp4673
      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 idle, moderate...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $15.55 - $506.53
    • (0 reviews)
      # sp5348
      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 testing...
      Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements
      $16.82 - $262.25
    • (10 reviews)
      # sp5156
      Replacement Oxygen Sensor by NTK®. This product is designed to improve engine efficiency and fuel mileage, while reducing emissions and extending catalyst life. The oxygen sensor is made of premium quality material and extensively...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $17.83 - $233.59
    • (0 reviews)
      # sp5495
      OE Connector Oxygen Sensor by SNG®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle’s emissions control system is in need of repair, but before you waste your time and gas running out...
      $38.20 - $102.45
    • (0 reviews)
      # sp14133
      Oxygen Sensor by OPGI®. This superior product is painstakingly designed to provide outstanding quality and value. Expertly crafted from first-rate materials to the highest standards it ensures maximum durability. This OPGI product...
      Made from first-rate materialsDesigned to comply with high-quality standards
      $35.48 - $167.25
    • (0 reviews)
      # sp6926
      PCV Valve Kit by Dorman®. Dorman’s PCV Valve Kit contains the PCV valve, bracket, and O-rings, everything you need to restore proper engine performance and engine longevity. Each component in the kit is durable against...
      Restores the emissions and vacuum system to proper functioningDirect replacement for a proper fit every time
      $13.46
    • (1 review)
      # sp14922
      PCV Valve by Genuine®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle’s emissions control system is in need of repair, but before you waste your time and gas running out to the auto...
      $10.03 - $79.18
    • (0 reviews)
      # sp9646
      Breather Filter by WIX®. Wix Breather Filters remove chemical contaminants and particulate matter from the crankcase. They are made of pleated paper and connected to the breather tube. These filters also trap oil mist and keep it...
      Low air flow restrictionIncludes a pleated paper filter
      $2.08 - $70.11
    • (0 reviews)
      # sp13476
      PCV Breather Cap by Stant®. This cap is designed to keep dirt and debris from entering the engine while allowing the crankcase ventilation that is so critical for proper engine performance and to prevent leaks. Heavy-duty...
      Enables crankcase ventilationPrevents dirt and debris from entering engine
      $4.57 - $8.99
    • (0 reviews)
      # sp4446
      PCV Valve by FRAM®. The Positive Crankcase Ventilation (PCV) system prevents the release of harmful emissions, helps keep engine oil clean and prevents excessive crankcase pressure, which can cause oil leaks. Maintain peak PCV...
      Essential component of the PCV systemRegulates flow of crankcase vapors into the engine
      $2.66 - $12.29




    Guides & Articles

    • Replacement Emission Control Parts
      Oxygen Sensors - Why Does My Car Have Four, And Can I Replace One Myself?
      An oxygen sensor (also known as an O2 sensor or Lambda sensor) is a sensor designed to generate a reading based on the content of oxygen in an automotive exhaust system. The sensor itself is made of a ceramic compound with porous-shaped electrodes coated in platinum, surrounded by a protective metal shell casing. O2 sensor casings are threaded, and the entire unit is designed to screw in until it reaches a half-in, half-out position on the exhaust pipe. Modern oxygen sensors are heated to ensure they reach operating temperature quickly.

    Popular Products

    Chevy Emission Control Parts Reviews

    Average rating:  5  5 - 8 reviews
    5 of 5
    2003 Chevy Silverado
    I've bought this catalytic converter for my 2003 Chevy Silverado about two years ago. As I remember my mechanic had no problems mounting or connecting it no modifications standard gaskets.
    CPosted by Charles (Pearland, TX) /
    2003 Chevy Silverado
    Was this review helpful for you? Yes
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