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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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    • (4 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
      $16.03 - $293.22
    • (2 reviews)
      # sp4187
      EGR Valve by Dorman®. An essential part of the exhaust gas recirculation system, Dorman’s EGR Valve effectively recirculates exhaust gas to be re-burned in the intake manifold. It withstands extreme heat and carbon build-up for a...
      $2.22 - $622.95
    • (0 reviews)
      # sp13481
      Intermotor™ EGR Valve by Standard®. SMP’s vision 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...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $29.17 - $858.17
    • (0 reviews)
      # sp10547
      GM Original Equipment™ 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, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $27.88 - $263.72
    • (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
    • (1 review)
      # sp5758
      EGR Valve by Delphi®. Delphi exhaust gas recirculation (EGR) valves are a 100 percent OE line, providing an exact fit without the need for orifice washers or clocking for fast, easy installation. Precision manufacturing provides...
      Extensive domestic and import coverageMeets federal emissions regulations
      $45.78 - $208.67
    • (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)
      # 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 - $388.53
    • (1 review)
      # sp6940
      Vapor Canister Purge Valve by Dorman®. Dorman’s Vapor Canister Purge Valve restores on-board diagnosis of the EVAP system. Plus, its high quality metal and plastic construction keeps the system working properly, year after year.
      Mounting hardware included (where applicable)O-ring included (where applicable)
      $14.43 - $453.34
    • (1 review)
      # sp6888
      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 replacement, the exact fit adds another layer of efficiency and convenience.
      Save money by replacing only the failed pump - instead of the entire mating cover assemblyIncludes gasket, mounting screws, and alternate electrical connectors
      $11.55 - $404.99
    • (0 reviews)
      # sp10025
      Crankcase Breather Cap by MotoRad®. Manufactured from high quality components by an OE Supplier. MotoRad oil caps provide proper fit and sealing to prevent oil loss.
      Provides Proper sealingPrevents oil loss
      $4.11 - $5.09
    • (0 reviews)
      # sp13380
      Baffled Oil Catch Can by Mishimoto®. The Mishimoto Baffled Oil Catch Can is the most advanced oil catch can on the market. Every turbo system deserves to be complemented by a proper oil catch can setup, also known as an air oil...
      Designed specifically for Mishimoto 2-Port and 3-Port Compact Baffled Oil Catch CansAllows baffled catch can to be drained without removing it from vehicle
      $37.50 - $397.50
    • (1 review)
      # sp5456
      Tru-Tech™ EGR Valve by Standard®.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...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $2.19 - $117.22
    • (0 reviews)
      # sp5452
      Tru-Tech™ Air Injection Pump Check Valve by Standard®. 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...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $14.75 - $25.45
    • (2 reviews)
      # sp13483
      Intermotor™ PCV Valve by Standard®. SMP’s vision 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...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $2.20 - $142.92




    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.

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    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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