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Mercury Marquis Catalytic Converter Replacement

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  1. ✓ In Stock 1979-1984 Mercury Marquis Catalytic Converter - or Front or Rear (AP Exhaust)

    1979-1984 Mercury Marquis Catalytic Converter - or Front or Rear (AP Exhaust)

    Partslink #: 602204

    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. Federal and California Emissions

    $84.05 View part →
  2. ✓ In Stock 1979-1986 Mercury Marquis Catalytic Converter - or Left or Rear or Right (AP Exhaust)

    1979-1986 Mercury Marquis Catalytic Converter - or Left or Rear or Right (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. with Electronic Engine Control Federal and California Emissions

    $93.28 View part →
  3. ✓ In Stock 1981-1982 Mercury Marquis Catalytic Converter - Left (MagnaFlow Performance Exhaust)

    1981-1982 Mercury Marquis Catalytic Converter - Left (MagnaFlow Performance Exhaust)

    Partslink #: 23367
    $344.00 View part →
  4. ✓ In Stock 1978-1986 Mercury Marquis Catalytic Converter - Left or Rear or Right (MagnaFlow Performance Exhaust)

    1978-1986 Mercury Marquis Catalytic Converter - Left or Rear or Right (MagnaFlow Performance Exhaust)

    Partslink #: 53005

    Cutting and Welding Required

    $106.00 View part →
  5. ✓ In Stock 1981-1982 Mercury Marquis Catalytic Converter - Left (Magnaflow)

    1981-1982 Mercury Marquis Catalytic Converter - Left (Magnaflow)

    Partslink #: 23367

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

    $344.00 View part →
  6. ✓ In Stock 1978-1986 Mercury Marquis Catalytic Converter - Left or Rear or Right (Magnaflow)

    1978-1986 Mercury Marquis Catalytic Converter - Left or Rear or Right (Magnaflow)

    Partslink #: 53005

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

    $106.00 View part →
  7. ✓ In Stock 1979 Mercury Marquis Catalytic Converter - Left or Right (Magnaflow)

    1979 Mercury Marquis Catalytic Converter - Left or Right (Magnaflow)

    Partslink #: 94005

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

    $129.00 View part →
  8. ✓ In Stock 1979 Mercury Marquis Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    1979 Mercury Marquis Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    Partslink #: 94005

    Cutting and Welding Required

    $129.00 View part →
  9. ✓ In Stock 1980-1981 Mercury Marquis Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    1980-1981 Mercury Marquis Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    Partslink #: 94014

    Cutting and Welding Required

    $137.00 View part →
  10. ✓ In Stock 1980-1981 Mercury Marquis Catalytic Converter - Left or Right (Magnaflow)

    1980-1981 Mercury Marquis Catalytic Converter - Left or Right (Magnaflow)

    Partslink #: 94014

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

    $137.00 View part →
  11. ✓ In Stock 1981-1982 Mercury Marquis Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    1981-1982 Mercury Marquis Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    Partslink #: 94024

    Cutting and Welding Required

    $141.00 View part →
  12. ✓ In Stock 1981-1982 Mercury Marquis Catalytic Converter - Left or Right (Magnaflow)

    1981-1982 Mercury Marquis Catalytic Converter - Left or Right (Magnaflow)

    Partslink #: 94024

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

    $141.00 View part →
  13. ✓ In Stock 1979-1980 Mercury Marquis Catalytic Converter - Front Left or Front Right (Magnaflow)

    1979-1980 Mercury Marquis Catalytic Converter - Front Left or Front Right (Magnaflow)

    Partslink #: 50004

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

    $170.00 View part →
  14. ✓ In Stock 1984 Mercury Marquis Catalytic Converter - Left or Right (Magnaflow)

    1984 Mercury Marquis Catalytic Converter - Left or Right (Magnaflow)

    Partslink #: 50005

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

    $170.00 View part →
  15. ✓ In Stock 1984 Mercury Marquis Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    1984 Mercury Marquis Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    Partslink #: 50005

    Cutting and Welding Required

    $170.00 View part →
  16. ✓ In Stock 1979-1980 Mercury Marquis Catalytic Converter - Front Left or Front Right (MagnaFlow Performance Exhaust)

    1979-1980 Mercury Marquis Catalytic Converter - Front Left or Front Right (MagnaFlow Performance Exhaust)

    Partslink #: 50004

    Cutting and Welding Required

    $170.00 View part →
  17. ✓ In Stock 1979-1986 Mercury Marquis Catalytic Converter - Front or Front Left or Front Right (Magnaflow)

    1979-1986 Mercury Marquis 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 →
  18. ✓ In Stock 1979-1986 Mercury Marquis Catalytic Converter - Front or Front Left or Front Right (MagnaFlow Performance Exhaust)

    1979-1986 Mercury Marquis 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 →
  19. ✓ In Stock 1981-1982 Mercury Marquis Catalytic Converter - Right (Magnaflow)

    1981-1982 Mercury Marquis Catalytic Converter - Right (Magnaflow)

    Partslink #: 23368

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

    $325.00 View part →
  20. ✓ In Stock 1981-1982 Mercury Marquis Catalytic Converter - Right (MagnaFlow Performance Exhaust)

    1981-1982 Mercury Marquis Catalytic Converter - Right (MagnaFlow Performance Exhaust)

    Partslink #: 23368
    $325.00 View part →
  21. ✓ In Stock 1979-1985 Mercury Marquis Catalytic Converter - Front or Front Left or Front Right (MagnaFlow Performance Exhaust)

    1979-1985 Mercury Marquis 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 →
  22. ✓ In Stock 1979-1985 Mercury Marquis Catalytic Converter - Front or Front Left or Front Right (Magnaflow)

    1979-1985 Mercury Marquis 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 →
  23. ✓ In Stock 1978 Mercury Marquis Catalytic Converter - Left or Right (Walker Exhaust)

    1978 Mercury Marquis Catalytic Converter - Left or Right (Walker Exhaust)

    Partslink #: 81102

    CARB Executive Order D-182-65 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

    $550.20 View part →
  24. ✓ In Stock 1979 Mercury Marquis Catalytic Converter - Left or Right (Magnaflow)

    1979 Mercury Marquis Catalytic Converter - Left or Right (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 →
  25. ✓ In Stock 1979 Mercury Marquis Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    1979 Mercury Marquis Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    Partslink #: 3322305

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

    $610.00 View part →
  26. ✓ In Stock 1981-1982 Mercury Marquis Catalytic Converter - Right (Magnaflow)

    1981-1982 Mercury Marquis Catalytic Converter - Right (Magnaflow)

    Partslink #: 3322024

    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)

    $711.00 View part →
  27. ✓ In Stock 1981-1982 Mercury Marquis Catalytic Converter - Right (MagnaFlow Performance Exhaust)

    1981-1982 Mercury Marquis Catalytic Converter - Right (MagnaFlow Performance Exhaust)

    Partslink #: 3322024

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

    $711.00 View part →
  28. ✓ In Stock 1980-1982 Mercury Marquis Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    1980-1982 Mercury Marquis Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    Partslink #: 3322014

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

    $757.00 View part →
  29. ✓ In Stock 1980-1982 Mercury Marquis Catalytic Converter - Left or Right (Magnaflow)

    1980-1982 Mercury Marquis Catalytic Converter - Left or Right (Magnaflow)

    Partslink #: 3322014

    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 →
  30. ✓ In Stock 1983-1986 Mercury Marquis Catalytic Converter - Rear (Walker Exhaust)

    1983-1986 Mercury Marquis Catalytic Converter - Rear (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 →
  31. ✓ In Stock 1979-1983 Mercury Marquis Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    1979-1983 Mercury Marquis Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 94004

    Cutting and Welding Required

    $129.00 View part →
  32. ✓ In Stock 1983-1986 Mercury Marquis Catalytic Converter (Magnaflow)

    1983-1986 Mercury Marquis Catalytic Converter (Magnaflow)

    Partslink #: 94015

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

    $137.00 View part →
  33. ✓ In Stock 1983-1986 Mercury Marquis Catalytic Converter (MagnaFlow Performance Exhaust)

    1983-1986 Mercury Marquis Catalytic Converter (MagnaFlow Performance Exhaust)

    Partslink #: 94015

    Cutting and Welding Required

    $137.00 View part →
  34. ✓ In Stock 1983-1986 Mercury Marquis Catalytic Converter - or Center (Eastern Catalytic)

    1983-1986 Mercury Marquis Catalytic Converter - or Center (Eastern Catalytic)

    Partslink #: 70317

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

    $140.03 View part →
  35. ✓ In Stock 1983-1986 Mercury Marquis Catalytic Converter - or Rear (Eastern Catalytic)

    1983-1986 Mercury Marquis Catalytic Converter - or Rear (Eastern Catalytic)

    Partslink #: 70421

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

    $148.82 View part →
  36. ✓ In Stock 1979-1983 Mercury Marquis Catalytic Converter (MagnaFlow Performance Exhaust)

    1979-1983 Mercury Marquis Catalytic Converter (MagnaFlow Performance Exhaust)

    Partslink #: 93514

    Cutting and Welding Required Main and Pre-Converter

    $179.00 View part →
  37. ✓ In Stock 1979-1983 Mercury Marquis Catalytic Converter (Magnaflow)

    1979-1983 Mercury Marquis Catalytic Converter (Magnaflow)

    Partslink #: 93514

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

    $179.00 View part →
  38. ✓ In Stock 1984 Mercury Marquis Catalytic Converter (Magnaflow)

    1984 Mercury Marquis Catalytic Converter (Magnaflow)

    Partslink #: 93515

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

    $179.00 View part →
  39. ✓ In Stock 1984 Mercury Marquis Catalytic Converter (MagnaFlow Performance Exhaust)

    1984 Mercury Marquis Catalytic Converter (MagnaFlow Performance Exhaust)

    Partslink #: 93515

    Cutting and Welding Required Main and Pre-Converter

    $179.00 View part →
  40. ✓ In Stock 1985-1986 Mercury Marquis Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    1985-1986 Mercury Marquis Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 23365
    $267.00 View part →
  41. ✓ In Stock 1985-1986 Mercury Marquis Catalytic Converter - Rear (Magnaflow)

    1985-1986 Mercury Marquis Catalytic Converter - Rear (Magnaflow)

    Partslink #: 23365

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

    $267.00 View part →
  42. ✓ In Stock 1979-1983 Mercury Marquis Catalytic Converter - Rear (Magnaflow)

    1979-1983 Mercury Marquis 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 →
  43. ✓ In Stock 1979-1983 Mercury Marquis Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    1979-1983 Mercury Marquis Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 338004

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

    $282.00 View part →
  44. ✓ In Stock 1979-1986 Mercury Marquis Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    1979-1986 Mercury Marquis Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 338005

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

    $301.00 View part →
  45. ✓ In Stock 1979-1986 Mercury Marquis Catalytic Converter - Rear (Magnaflow)

    1979-1986 Mercury Marquis 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 →
  46. ✓ In Stock 1983-1986 Mercury Marquis Catalytic Converter (MagnaFlow Performance Exhaust)

    1983-1986 Mercury Marquis Catalytic Converter (MagnaFlow Performance Exhaust)

    Partslink #: 23363

    with California Emissions System

    $310.00 View part →
  47. ✓ In Stock 1983-1986 Mercury Marquis Catalytic Converter (Magnaflow)

    1983-1986 Mercury Marquis Catalytic Converter (Magnaflow)

    Partslink #: 23363

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

    $310.00 View part →
  48. ✓ In Stock 1984-1986 Mercury Marquis Catalytic Converter (MagnaFlow Performance Exhaust)

    1984-1986 Mercury Marquis Catalytic Converter (MagnaFlow Performance Exhaust)

    Partslink #: 3322015

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

    $757.00 View part →
  49. ✓ In Stock 1984-1986 Mercury Marquis Catalytic Converter (Magnaflow)

    1984-1986 Mercury Marquis 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 Mercury Marquis

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

Available Trims

Base · Brougham

Body Types

Hardtop · Sedan · Wagon

Engine Options

L4 2.3L · L6 3.3L · V6 3.8L · V8 4.2L · V8 5.0L · V8 5.8L · V8 6.6L · V8 7.5L

Transmissions

Automatic · Manual

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