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    • (12 reviews)
      # sp4602
      Catalytic Converter by Bosal®. Bosal has a comprehensive range of more than 1,000 petrol and diesel catalytic converters, including the latest Euro 4 type-approved units. Manufactured in TUV-certified plants using the latest high-spec...
      $55.21 - $855.84
    • (8 reviews)
      # sp13664
      Direct Fit Catalytic Converter by Davico®. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat fails to perform its job, replacement is the...
      $30.02 - $933.56
    • (7 reviews)
      # sp106571
      ECO II Universal Fit Undercar Catalytic Converter by Eastern®. Focused on manufacturing only top-grade emission control products, Eastern Catalytic will perfectly serve your purpose if you opt for a high quality catalytic converter....
      $32.00 - $258.93
    • (0 reviews)
      # sp4295
      Universal Fit Catalytic Converter by Eastern Catalytic®. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you definitely need a new one, and this product is the way to go. Made of stainless...
      $32.00 - $258.93
    • (22 reviews)
      # sp10058
      Ultra™ Direct-Fit Catalytic Converter by Walker®. Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust...
      $80.24 - $764.17
    • (10 reviews)
      # sp93964
      Direct Fit Catalytic Converter by AP Exhaust®. The growing concern for the environment means there is a growing need for quality emission control products. AP catalysts and catalytic convert systems can be found in a vast array of...
      $37.10 - $1,001.87
    • (9 reviews)
      # sp92788
      Direct Fit Catalytic Converter by DEC®. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made from a heavy duty stainless steel outer shell which...
      $83.41 - $941.05
    • (16 reviews)
      # sp4294
      Direct Fit Catalytic Converter by Eastern Catalytic®. If you need to replace your failed or damaged catalytic converter, this product is the right choice. Designed specifically for your vehicle, this catalytic converter is a great...
      $34.83 - $1,080.99
    • (1 review)
      # sp106558
      ECO III Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern®. If you need to replace your failed or damaged manifold, this product is the right choice. Designed specifically for your vehicle, this manifold...
      $195.52 - $618.63
    • (1 review)
      # sp109872
      Direct Fit Catalytic Converter with Integarted Exahust Manifold by AP Exhaust®. The growing concern for the environment means there is a growing need for quality emission control products. AP catalysts and catalytic convert systems can...
      $177.89 - $732.00
    • (1 review)
      # sp103492
      Stainless Steel Exhaust Manifold with Integrated Federal Catalytic Converter by AP Exhaust®. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. Catalytic Converter Overall Length: 17.75""....
      $198.49 - $732.00
    • (2 reviews)
      # sp20037
      Manifold with Integrated Catalytic Converter by Bosal®. Converter Configuration: Direct Fit. Catalytic Series: Premium Load. CARB Compliant: No. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal....
      $179.97 - $552.31
    • (3 reviews)
      # sp95244
      Exhaust Manifold With Integrated Catalytic Converters by Dorman®. More like a complete kit than a single part, many of the Exhaust Manifolds include gaskets and hardware for a complete installation. Since this part is a direct...
      $56.26 - $974.70
    • (0 reviews)
      # sp9246
      Exhaust Manifold with Integrated Catalytic Converter by DEC®. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made from a heavy duty stainless...
      $227.05 - $1,126.69
    • (0 reviews)
      # sp107600
      Exhaust Manifold with Integrated Catalytic Converter by Davico®. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat fails to perform its job, replacement is the...
      $141.18 - $696.80
    • (1 review)
      # sp10059
      Ultra™ Universal Fit Catalytic Converter by Walker®. Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust...
      $50.55 - $112.97
    • (4 reviews)
      # sp4304
      Universal Fit Catalytic Converter by Walker®. Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust Walker, an...
      $59.57 - $205.48
    • (1 review)
      # sp94077
      Universal Fit Catalytic Converter by AP Exhaust®. Three-Way No / Air OBDII By Design US-EPA Compliant catalytic converters are efficient at the oxidation of HC’s and CO, and very efficient at the reduction of NOx, storing O2, and the...
      $48.83 - $360.70
    • (0 reviews)
      # sp119368
      Catalytic Converter Assembly by DEC®. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made from a heavy duty stainless steel outer shell which...
      Direct fitMade from a heavy duty stainless steel outer shell
      $131.47 - $1,297.32
    • (0 reviews)
      # sp6393
      Exhaust Gasket by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the 1950’s, brand understands...
      OE quality products from top original equipmentTop quality materials
      $2.05 - $48.00
    • (0 reviews)
      # sp104163
      Heavy Duty U-Bolt Clamp by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker accessories,...
      Makes installation quick and easyOptimal OE-style fit and quality
      $0.91 - $3.57
    • (27 reviews)
      # sp4409
      Exhaust Gasket by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker accessories, you get...
      Makes installation quick and easyOptimal OE-style fit and quality
      $1.18 - $18.74
    • (0 reviews)
      # mpn1023177
      Exhaust Manifold with Integrated Catalytic Converter by Bosal®. Position: Front Driver Side. Emissions: EPA compliant. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading...
      $410.81
    • (0 reviews)
      # mpn1705791
      CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall...
      $107.33
    • (0 reviews)
      # mpn1850990
      Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Standard Oval. With 4 Inlets. With O2 Sensor Port. Catalytic Converter Overall Length: 50.25"....
      $456.66
    • (0 reviews)
      # mpn1244368
      ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Driver Side Undercar. Catalytic Converter Body Shape: Oval. Without O2 Sensor Ports. Catalytic Inlet Diameter: 1.8"....
      $61.61
    • (0 reviews)
      # mpn1206808
      ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Driver Side Undercar. Catalytic Converter Body Shape: Round. With 1 O2 Sensor Port. Catalytic Inlet Diameter: 2"....
      $61.61
    • (0 reviews)
      # mpn1244364
      Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Passenger Side Undercar. Catalytic Converter Body Shape: Oval. Without O2 Sensor Ports. Catalytic Inlet Diameter: 2"....
      $38.19
    • (0 reviews)
      # mpn1244364
      Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Oval. Without O2 Sensor Ports. Catalytic Inlet Diameter: 2". Catalytic...
      $38.19
    • (0 reviews)
      # mpn474119804
      Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Without Air Tube. Catalytic Converter Overall Length: 49.75". The growing concern for the environment means there is a growing need for...
      $552.40




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    The Land Rover catalytic converter (AKA catcon or cat) was first introduced in the mid-70's, and back then, it performed only two tasks, which is exactly why it was called a two-way converter. It oxidized carbon monoxide to carbon dioxide and hydrocarbons to water and carbon dioxide (oxidation stage). In 1981, the two-way converter was replaced by a much more efficient three-way catcon, which additionally reduced nitrogen oxide emissions (reduction stage).

    Today, the two-way version is used in diesel applications only, while most vehicles are equipped with a three-way catalytic converter. Located between the engine and muffler, the converter actually resembles a muffler in shape, though the construction of these two units is completely different. The body of the converter is usually made of stainless steel. Inside the body, you'll find an insulated chamber, which contains three main components of any converter: substrate (or catalyst core), washcoat, and catalyst.

    The catalyst core usually has a honeycomb structure, and it's most often a ceramic monolith. Basically, it serves as a support for the washcoat. The washcoat itself is a carrier for the catalytic materials. Materials for the washcoat are chosen to form an irregular surface, which maximizes the catalytically active layer available to react with the exhaust gases. And then comes the catalyst, which is most ofter a mixture of precious metals such as palladium (oxidation catalyst) and rhodium (reduction catalyst). When the exhaust stream passes through the converter, it contacts with the catalyst and all the toxic elements covert into the harmless substances. The leaving gas is monitored by the control system to make sure it meets the emissions requirements.

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