1978 Mercury Monarch Catalytic Converters & Components

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    • (0 reviews)
      # mpn2888398693
      Mercury Monarch 1978, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Standard Oval. With 1 Inlet. Without Air Tube. Without O2 Sensor Port....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $119.34
    • (0 reviews)
      # mpn1693864
      Mercury Monarch with 7.25" Converter Shell / with 12" Long Converter Shell 1978, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Small Oval. With...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $50.33
    • (0 reviews)
      # mpn1206804
      Mercury Monarch 1978, Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Undercar. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Ports....
      Converts harmful engine emissions to less dangerous gases and water vaporAdvanced design for maximum engine output
      $34.97
    • (0 reviews)
      # mpn474117271
      Mercury Monarch 4.1L 1978, Standard Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $51.78
    • (0 reviews)
      # mpn1073831
      Mercury Monarch with PRE-OBDII Models 1978, Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port....
      $184.75
    • (0 reviews)
      # mpn1038320
      Mercury Monarch 1978, Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...
      $77.88
    • (0 reviews)
      # mpn4516842183
      Mercury Monarch 1978, Pre-OBDII Catalytic Converter by Flowmaster®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Catalytic Inlet Diameter: 2.25". Catalytic...
      $202.97
    • (0 reviews)
      # mpn1206809
      Mercury Monarch with PC-1 Pre OBDII Weight Class 1978, ECO CARB Catalytic Converter by Eastern®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Position: Center. Catalytic Converter Body Shape: Round. Catalytic...
      Converts harmful engine emissions to less dangerous gases and water vaporAdvanced design for maximum engine output
      $161.12
    • (0 reviews)
      # mpn1274189
      Mercury Monarch 1978, Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Location: Undercar. Without O2 Sensor Ports. Catalytic Converter Overall Length: 21". If you need to replace...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $99.81
    • (0 reviews)
      # mpn4484754640
      Mercury Monarch 1978, Catalytic Converter Gasket by Victor Reinz®. Position: Inlet. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...
      High quality at an affordable priceExpertly made from premium materials
      $2.50


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