1981 Buick Riviera Catalytic Converters & Components

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    • (0 reviews)
      # 80126071
      Buick Riviera 1981, Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Without Air Tube. Without O2 Sensor Port. The growing concern for the environment means there is a growing need for...
      5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions
      $122.97 - $124.15
    • (0 reviews)
      # mpn2888398740
      Buick Riviera 3.8L / 4.1L / 5.0L 1981, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Standard Oval. With 1 Inlet. With Air Tube. Without O2...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $103.23
    • (0 reviews)
      # 504620795
      Buick Riviera 4.1L / 5.0L 1981, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Standard Oval. With 1 Inlet. With Air Tube. Without O2 Sensor Port....
      Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability
      $86.69
    • (0 reviews)
      # mpn1705743
      Buick Riviera 3.8L / 4.1L / 5.0L 1981, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Small Oval. With 1 Inlet. With Air Tube. Without O2 Sensor...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $60.59
    • (0 reviews)
      # mpn1237853
      Buick Riviera 3.8L 1981, Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Oval. With 1 Air Tube. Without O2 Sensor Ports....
      Converts harmful engine emissions to less dangerous gases and water vaporAdvanced design for maximum engine output
      $39.19
    • (0 reviews)
      # 466083301
      Buick Riviera 1981, Standard Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Single Air Tube. Without O2 Sensor Port. Catalytic Inlet...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $53.76
    • (0 reviews)
      # 316935865
      Buick Riviera with PRE-OBDII Models 1981, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Single Air Tube. Without O2 Sensor...
      $186.18
    • (0 reviews)
      # 98135381
      Buick Riviera 1981, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". If...
      $126.55 - $133.38
    • (0 reviews)
      # 49709395
      Buick Riviera 1981, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Air Tube. Without O2 Sensor Port. Catalytic Converter Overall...
      $79.35
    • (0 reviews)
      # mpn4516842174
      Buick Riviera 3.8L / 4.1L / 5.0L 1981, Pre-OBDII Catalytic Converter by Flowmaster®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With Air Tube. Catalytic Inlet Diameter:...
      $224.97
    • (0 reviews)
      # 100279600
      Buick Riviera with PC-1 Pre OBDII Weight Class 1981, ECO CARB Catalytic Converter by Eastern®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Position: Center. Catalytic Converter Body Shape: Round. With 1 Air Tube....
      Converts harmful engine emissions to less dangerous gases and water vaporAdvanced design for maximum engine output
      $162.10 - $162.29
    • (0 reviews)
      # mpn286625820
      Buick Riviera 3.8L 1981, Standard Catalytic Converter and Pipe Assembly by Eastern®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Location: Undercar. Without O2 Sensor Ports. Catalytic Converter Overall Length: 20". If...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $88.15
    • (0 reviews)
      # mpn1116004
      Buick Riviera 4.1L / 5.0L with PRE-OBDII Models 1981, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. With Assembly. With Air Tube. Without O2 Sensor Port. Catalytic Inlet...
      $244.21


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