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    • (6 reviews)
      # sp7037
      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 steel, the catalytic converter is designed to reduce...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $38.88 - $267.25
    • (10 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...
      Ensures an even distribution of the gas flow in the converter to deliver optimized conversion of harmful gasesConcepts-enhance the reduction of emissions and ensure a high durability
      $53.39 - $839.06
    • (12 reviews)
      # sp4410
      Exhaust Hanger 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...
      $1.36 - $48.20
    • (12 reviews)
      # sp4411
      Exhaust Rubber Insulator 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...
      $1.36 - $48.20
    • (0 reviews)
      # mpn500288407
      Universal Stainless Steel Small Oval Catalytic Converter with Air Tube (15034) by Walker®. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material:...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $65.36
    • (0 reviews)
      # mpn500288408
      Universal Stainless Steel Small Oval Catalytic Converter (15039) by Walker®. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $63.71
    • (0 reviews)
      # mpn500288409
      Universal Stainless Steel Round Catalytic Converter (15054) by Walker®. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Inlet...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $63.80
    • (0 reviews)
      # mpn500288410
      Universal Stainless Steel Round Catalytic Converter (15104) by Walker®. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $96.09
    • (0 reviews)
      # mpn500288413
      Universal Stainless Steel Large Oval Catalytic Converter (15143) by Walker®. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $114.80
    • (0 reviews)
      # mpn500338412
      Universal Ultra™ Stainless Steel Large Oval Catalytic Converter (93312) by Walker®. Catalytic Series: Ultra™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration: Universal Fit....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $113.18
    • (0 reviews)
      # mpn2082869373
      Universal Catalytic Converter (097-6001) by Bosal®. Converter Configuration: Universal Fit. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $70.91
    • (0 reviews)
      # mpn2082869374
      Universal Catalytic Converter (097-8002) by Bosal®. Converter Configuration: Universal Fit. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $71.91
    • (0 reviews)
      # mpn2082869375
      Universal Catalytic Converter (097-6003) by Bosal®. Converter Configuration: Universal Fit. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $70.91
    • (1 review)
      # mpn1249714
      Universal Bullet ECO III Ceramic Substrate Converter (92257) by Eastern®. Inlet A: 3". Outlet A: 3". Overall Length: 12.5". Converter Body Length: 7". Whether your catalytic converter is damaged by road debris or failed due to an...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $100.28
    • (0 reviews)
      # mpn1249715
      Universal ECO III Oval Catalytic Converter without Sensor Bung (95285) by Eastern®. Inlet A: 2.25". Outlet A: 2.25". Overall Length: 18". Converter Body Length: 14". Keep your exhaust emissions within specifications and your...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $101.45




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    The Opel 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.

    Opel Catalytic Converters Reviews

    Average rating:  4.5  4.5 - 39 reviews
    5 of 5
    CanAmMex® 00747-212 - Thunderbolt™ Hi-Polished Single Rolled Angled Oval Tip
    These appear to be of very good quality, good welds.
    JPosted by John (Enfield, CT) /
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