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Dodge Diplomat Catalytic Converter Replacement

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  1. ✓ In Stock 1979-1982 Dodge Diplomat Catalytic Converter (Walker Exhaust)

    1979-1982 Dodge Diplomat Catalytic Converter (Walker Exhaust)

    Partslink #: 15036

    with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation

    $85.49 View part →
  2. ✓ In Stock 1979-1983 Dodge Diplomat Catalytic Converter - or Rear (AP Exhaust)

    1979-1983 Dodge Diplomat Catalytic Converter - or Rear (AP Exhaust)

    Partslink #: 602004

    Universal Fit; Pre-OBDII Standard Duty Unit Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. Underbody Federal and California Emissions

    $93.28 View part →
  3. ✓ In Stock 1977-1980 Dodge Diplomat Catalytic Converter (Walker Exhaust)

    1977-1980 Dodge Diplomat Catalytic Converter (Walker Exhaust)

    Partslink #: 15037

    with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation

    $96.00 View part →
  4. ✓ In Stock 1981-1983 Dodge Diplomat Catalytic Converter (Eastern Catalytic)

    1981-1983 Dodge Diplomat Catalytic Converter (Eastern Catalytic)

    Partslink #: 70419

    Undercar; Without Air Tube Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)

    $100.70 View part →
  5. ✓ In Stock 1979-1981 Dodge Diplomat Catalytic Converter (MagnaFlow Performance Exhaust)

    1979-1981 Dodge Diplomat Catalytic Converter (MagnaFlow Performance Exhaust)

    Partslink #: 91004

    without Air Tube Cutting and Welding Required

    $109.00 View part →
  6. ✓ In Stock 1977-1979 Dodge Diplomat Catalytic Converter (Magnaflow)

    1977-1979 Dodge Diplomat Catalytic Converter (Magnaflow)

    Partslink #: 94005

    Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.

    $129.00 View part →
  7. ✓ In Stock 1980 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    1980 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    Partslink #: 94004

    Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.

    $129.00 View part →
  8. ✓ In Stock 1980-1981 Dodge Diplomat Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    1980-1981 Dodge Diplomat Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 94004

    Cutting and Welding Required

    $129.00 View part →
  9. ✓ In Stock 1977-1979 Dodge Diplomat Catalytic Converter (MagnaFlow Performance Exhaust)

    1977-1979 Dodge Diplomat Catalytic Converter (MagnaFlow Performance Exhaust)

    Partslink #: 94005

    Cutting and Welding Required

    $129.00 View part →
  10. ✓ In Stock 1982-1983 Dodge Diplomat Catalytic Converter - or Rear (MagnaFlow Performance Exhaust)

    1982-1983 Dodge Diplomat Catalytic Converter - or Rear (MagnaFlow Performance Exhaust)

    Partslink #: 94014

    with Air Tube Cutting and Welding Required

    $137.00 View part →
  11. ✓ In Stock 1979-1980 Dodge Diplomat Catalytic Converter - or Rear (Magnaflow)

    1979-1980 Dodge Diplomat Catalytic Converter - or Rear (Magnaflow)

    Partslink #: 94015

    Universal Fit Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.

    $137.00 View part →
  12. ✓ In Stock 1979-1980 Dodge Diplomat Catalytic Converter - or Rear (MagnaFlow Performance Exhaust)

    1979-1980 Dodge Diplomat Catalytic Converter - or Rear (MagnaFlow Performance Exhaust)

    Partslink #: 94015

    Universal Fit Cutting and Welding Required

    $137.00 View part →
  13. ✓ In Stock 1982-1983 Dodge Diplomat Catalytic Converter - or Rear (Magnaflow)

    1982-1983 Dodge Diplomat Catalytic Converter - or Rear (Magnaflow)

    Partslink #: 94014

    with Air Tube Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.

    $137.00 View part →
  14. ✓ In Stock 1981-1983 Dodge Diplomat Catalytic Converter (Eastern Catalytic)

    1981-1983 Dodge Diplomat Catalytic Converter (Eastern Catalytic)

    Partslink #: 70317

    Undercar; Without Air Tube Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)

    $140.03 View part →
  15. ✓ In Stock 1981-1989 Dodge Diplomat Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    1981-1989 Dodge Diplomat Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 94024

    Cutting and Welding Required

    $141.00 View part →
  16. ✓ In Stock 1981-1989 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    1981-1989 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    Partslink #: 94024

    Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required

    $141.00 View part →
  17. ✓ In Stock 1981-1985 Dodge Diplomat Catalytic Converter (Eastern Catalytic)

    1981-1985 Dodge Diplomat Catalytic Converter (Eastern Catalytic)

    Partslink #: 70421

    Undercar; With Air Tube Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)

    $148.82 View part →
  18. ✓ In Stock 1979-1980 Dodge Diplomat Catalytic Converter - Front (MagnaFlow Performance Exhaust)

    1979-1980 Dodge Diplomat Catalytic Converter - Front (MagnaFlow Performance Exhaust)

    Partslink #: 50005

    Cutting and Welding Required

    $170.00 View part →
  19. ✓ In Stock 1979-1980 Dodge Diplomat Catalytic Converter - Front (Magnaflow)

    1979-1980 Dodge Diplomat Catalytic Converter - Front (Magnaflow)

    Partslink #: 50005

    Cutting and Welding Required Not legal for sale or installation in California, Colorado or New York.

    $170.00 View part →
  20. ✓ In Stock 1981-1989 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    1981-1989 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    Partslink #: 23616

    Not legal for sale or installation in California, Colorado or New York.

    $174.00 View part →
  21. ✓ In Stock 1980-1981 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    1980-1981 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    Partslink #: 338004

    CARB Executive Order D-193-102 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $282.00 View part →
  22. ✓ In Stock 1980-1981 Dodge Diplomat Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    1980-1981 Dodge Diplomat Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 338004

    CARB Executive Order D-193-102 Cutting and Welding Required

    $282.00 View part →
  23. ✓ In Stock 1981-1989 Dodge Diplomat Catalytic Converter - Front or Front Left or Front Right (Magnaflow)

    1981-1989 Dodge Diplomat Catalytic Converter - Front or Front Left or Front Right (Magnaflow)

    Partslink #: 337304

    CARB Executive Order D-193-102 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $290.00 View part →
  24. ✓ In Stock 1981-1989 Dodge Diplomat Catalytic Converter - Front or Front Left or Front Right (MagnaFlow Performance Exhaust)

    1981-1989 Dodge Diplomat Catalytic Converter - Front or Front Left or Front Right (MagnaFlow Performance Exhaust)

    Partslink #: 337304

    CARB Executive Order D-193-102 Cutting and Welding Required

    $316.00 View part →
  25. ✓ In Stock 1980-1989 Dodge Diplomat Catalytic Converter - Front or Front Left or Front Right (MagnaFlow Performance Exhaust)

    1980-1989 Dodge Diplomat Catalytic Converter - Front or Front Left or Front Right (MagnaFlow Performance Exhaust)

    Partslink #: 337305

    CARB Executive Order D-193-102 Cutting and Welding Required

    $358.00 View part →
  26. ✓ In Stock 1980-1989 Dodge Diplomat Catalytic Converter - Front or Front Left or Front Right (Magnaflow)

    1980-1989 Dodge Diplomat Catalytic Converter - Front or Front Left or Front Right (Magnaflow)

    Partslink #: 337305

    CARB Executive Order D-193-102 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $358.00 View part →
  27. ✓ In Stock 1980-1983 Dodge Diplomat Catalytic Converter - Front or Front Left or Front Right (Walker Exhaust)

    1980-1983 Dodge Diplomat Catalytic Converter - Front or Front Left or Front Right (Walker Exhaust)

    Partslink #: 80401

    For Vehicles Originally Equipped with 3 Catalytic Converter(s) CARB Executive Order D-182-39 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

    $375.53 View part →
  28. ✓ In Stock 1981-1989 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    1981-1989 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    Partslink #: 338015

    CARB Executive Order D-193-102 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $293.00 View part →
  29. ✓ In Stock 1980-1981 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    1980-1981 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    Partslink #: 338005

    CARB Executive Order D-193-102 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $301.00 View part →
  30. ✓ In Stock 1980-1981 Dodge Diplomat Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    1980-1981 Dodge Diplomat Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 338005

    CARB Executive Order D-193-102 Cutting and Welding Required

    $301.00 View part →
  31. ✓ In Stock 1981-1989 Dodge Diplomat Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    1981-1989 Dodge Diplomat Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 338015

    CARB Executive Order D-193-102 Cutting and Welding Required

    $319.00 View part →
  32. ✓ In Stock 1982-1983 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    1982-1983 Dodge Diplomat Catalytic Converter - Rear (Magnaflow)

    Partslink #: 338014

    CARB Executive Order D-193-102 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $319.00 View part →
  33. ✓ In Stock 1982-1983 Dodge Diplomat Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    1982-1983 Dodge Diplomat Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 338014

    CARB Executive Order D-193-102 Cutting and Welding Required

    $319.00 View part →
  34. ✓ In Stock 1979 Dodge Diplomat Catalytic Converter (MagnaFlow Performance Exhaust)

    1979 Dodge Diplomat Catalytic Converter (MagnaFlow Performance Exhaust)

    Partslink #: 3322304

    CARB Executive Order D-193-150 Cutting and Welding Required

    $610.00 View part →
  35. ✓ In Stock 1977-1979 Dodge Diplomat Catalytic Converter (Magnaflow)

    1977-1979 Dodge Diplomat Catalytic Converter (Magnaflow)

    Partslink #: 3322305

    CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $610.00 View part →
  36. ✓ In Stock 1977-1979 Dodge Diplomat Catalytic Converter (MagnaFlow Performance Exhaust)

    1977-1979 Dodge Diplomat Catalytic Converter (MagnaFlow Performance Exhaust)

    Partslink #: 3322305

    CARB Executive Order D-193-150 Cutting and Welding Required

    $610.00 View part →
  37. ✓ In Stock 1979 Dodge Diplomat Catalytic Converter (Magnaflow)

    1979 Dodge Diplomat Catalytic Converter (Magnaflow)

    Partslink #: 3322304

    CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $610.00 View part →
  38. ✓ In Stock 1980 Dodge Diplomat Catalytic Converter (MagnaFlow Performance Exhaust)

    1980 Dodge Diplomat Catalytic Converter (MagnaFlow Performance Exhaust)

    Partslink #: 3322015

    CARB Executive Order D-193-150 Cutting and Welding Required

    $757.00 View part →
  39. ✓ In Stock 1980 Dodge Diplomat Catalytic Converter (Magnaflow)

    1980 Dodge Diplomat Catalytic Converter (Magnaflow)

    Partslink #: 3322015

    CARB Executive Order D-193-150 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $757.00 View part →

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Catalytic Converter Compatibility for Dodge Diplomat

Browse our selection of quality catalytic converter parts designed specifically for your Dodge Diplomat. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Base · Medallion · S · SE · Salon · Sport

Body Types

Coupe · Sedan · Wagon

Engine Options

L6 3.7L · V8 5.2L · V8 5.9L

Transmissions

Automatic · Manual

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