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Cadillac ATS Catalytic Converter Replacement

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  1. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    2013-2015 Cadillac ATS Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 51209

    Cutting and Welding Required

    $211.00 View part →
  2. ✓ In Stock 2013-2016 Cadillac ATS Catalytic Converter - Rear (Magnaflow)

    2013-2016 Cadillac ATS Catalytic Converter - Rear (Magnaflow)

    Partslink #: 51209

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

    $211.00 View part →
  3. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Rear or Rear Left or Rear Right (MagnaFlow Performance Exhaust)

    2013-2015 Cadillac ATS Catalytic Converter - Rear or Rear Left or Rear Right (MagnaFlow Performance Exhaust)

    Partslink #: 557405

    Ultra Low Emission Vehicle (ULEV) CARB Executive Order D-193-133 Engine Family Number (EFN) DGMXV02.5001 Cutting and Welding Required

    $385.00 View part →
  4. ✓ In Stock 2016-2017 Cadillac ATS Catalytic Converter - Left (AP Exhaust)

    2016-2017 Cadillac ATS Catalytic Converter - Left (AP Exhaust)

    Partslink #: 641626

    Direct Fit; 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

    $535.11 View part →
  5. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Rear or Rear Left or Rear Right (Magnaflow)

    2013-2015 Cadillac ATS Catalytic Converter - Rear or Rear Left or Rear Right (Magnaflow)

    Partslink #: 557405

    Ultra Low Emission Vehicle (ULEV) CARB Executive Order D-193-133 Engine Family Number (EFN) DGMXV02.5001 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $385.00 View part →
  6. ✓ In Stock 2016-2019 Cadillac ATS Catalytic Converter - Right (EPA Re-Certified OEM)

    2016-2019 Cadillac ATS Catalytic Converter - Right (EPA Re-Certified OEM)

    Partslink #: 335-66016

    This is a recertified OEM catalytic converter for vehicles equipped with the 3.6L engine.

    Condition: Excellent (A)
    Mileage: 32,700 miles

    after $180 core refund
    Sale price: $479.95
    $299.95 View part →
  7. ✓ In Stock 2016-2019 Cadillac ATS Catalytic Converter - Left or Right (EPA Re-Certified OEM)

    2016-2019 Cadillac ATS Catalytic Converter - Left or Right (EPA Re-Certified OEM)

    Partslink #: 335.GM6K18

    This is a recertified OEM catalytic converter for vehicles equipped with the 3.6L engine.

    Condition: Excellent (A)
    Mileage: 32,700 miles

    after $180 core refund
    Sale price: $479.95
    $299.95 View part →
  8. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Front or Front Left or Front Right (Magnaflow)

    2013-2015 Cadillac ATS Catalytic Converter - Front or Front Left or Front Right (Magnaflow)

    Partslink #: 551005

    Ultra Low Emission Vehicle (ULEV) CARB Executive Order D-193-133 Engine Family Number (EFN) DGMXV02.5001 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $507.00 View part →
  9. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Front or Front Left or Front Right (MagnaFlow Performance Exhaust)

    2013-2015 Cadillac ATS Catalytic Converter - Front or Front Left or Front Right (MagnaFlow Performance Exhaust)

    Partslink #: 551005

    Ultra Low Emission Vehicle (ULEV) CARB Executive Order D-193-133 Engine Family Number (EFN) DGMXV02.5001 Cutting and Welding Required

    $507.00 View part →
  10. ✓ In Stock 2016-2019 Cadillac ATS Catalytic Converter - Left or Right (EPA Re-Certified OEM)

    2016-2019 Cadillac ATS Catalytic Converter - Left or Right (EPA Re-Certified OEM)

    Partslink #: 335-65540

    This catalytic converter is a recertified OEM part. It is for vehicles with the 3.6L engine.

    Condition: Excellent (A)
    Mileage: 49,400 miles

    after $180 core refund
    Sale price: $1,041.95
    $861.95 View part →
  11. ✓ In Stock 2018-2019 Cadillac ATS Catalytic Converter - Left or Right (EPA Re-Certified OEM)

    2018-2019 Cadillac ATS Catalytic Converter - Left or Right (EPA Re-Certified OEM)

    Partslink #: 335.GM1U19

    This catalytic converter is a recertified OEM part. It is for vehicles with the 3.6L engine.

    Condition: Excellent (A)
    Mileage: 49,400 miles

    after $180 core refund
    Sale price: $1,041.95
    $861.95 View part →
  12. ✓ In Stock 2013-2019 Cadillac ATS Catalytic Converter - Front (EPA Re-Certified OEM)

    2013-2019 Cadillac ATS Catalytic Converter - Front (EPA Re-Certified OEM)

    Partslink #: 335-63929

    This catalytic converter has been recertified. It is for vehicles with the 2.0L engine.

    Condition: Excellent (A)
    Mileage: 64,400 miles

    after $100 core refund
    Sale price: $399.95
    $299.95 View part →
  13. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Rear, Rear (EPA Re-Certified OEM)

    2013-2015 Cadillac ATS Catalytic Converter - Rear, Rear (EPA Re-Certified OEM)

    Partslink #: 335-63930

    This is a recertified OEM rear catalytic converter for vehicles equipped with the 2.0L engine.

    Condition: Excellent (A)
    Mileage: 108,800 miles

    after $100 core refund
    Sale price: $399.95
    $299.95 View part →
  14. ✓ In Stock 2013-2019 Cadillac ATS Exhaust Manifold Catalytic Converter - Front (EPA Re-Certified OEM)

    2013-2019 Cadillac ATS Exhaust Manifold Catalytic Converter - Front (EPA Re-Certified OEM)

    Partslink #: 335.GM6K13

    This catalytic converter has been recertified. It is for vehicles with the 2.0L engine.

    Condition: Excellent (A)
    Mileage: 64,400 miles

    after $100 core refund
    Sale price: $399.95
    $299.95 View part →
  15. ✓ In Stock 2013-2015 Cadillac ATS Secondary Catalytic Converter - Rear, Rear (EPA Re-Certified OEM)

    2013-2015 Cadillac ATS Secondary Catalytic Converter - Rear, Rear (EPA Re-Certified OEM)

    Partslink #: 335.GM6K14

    This is a recertified OEM rear catalytic converter for vehicles equipped with the 2.0L engine.

    Condition: Excellent (A)
    Mileage: 108,800 miles

    after $100 core refund
    Sale price: $399.95
    $299.95 View part →
  16. ✓ In Stock 2018-2019 Cadillac ATS Recertified Catalytic Converter - Left (EPA Re-Certified OEM)

    2018-2019 Cadillac ATS Recertified Catalytic Converter - Left (EPA Re-Certified OEM)

    Partslink #: 335-66017

    This catalytic converter was recertified by the original equipment manufacturer. It is for vehicles with the 3.6L engine.

    Condition: Excellent (A)
    Mileage: 95,000 miles

    after $180 core refund
    Sale price: $479.95
    $299.95 View part →
  17. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Rear (Magnaflow)

    2013-2015 Cadillac ATS Catalytic Converter - Rear (Magnaflow)

    Partslink #: 557406

    CARB Executive Order D-193-133 Engine Family Number (EFN) DGMXV02.0021 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $385.00 View part →
  18. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    2013-2015 Cadillac ATS Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 557406

    CARB Executive Order D-193-133 Engine Family Number (EFN) DGMXV02.0021 Cutting and Welding Required

    $385.00 View part →
  19. ✓ In Stock 2016-2018 Cadillac ATS Catalytic Converter - Front (Original Performance)

    2016-2018 Cadillac ATS Catalytic Converter - Front (Original Performance)

    Partslink #: OPCG4097

    Direct Fit Federal, 47-State Only, Not legal for sale in CA, NY or ME

    $389.58 View part →
  20. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter (Original Performance)

    2013-2015 Cadillac ATS Catalytic Converter (Original Performance)

    Partslink #: OPCG4096

    Direct Fit

    $391.13 View part →
  21. ✓ In Stock 2016-2019 Cadillac ATS Exhaust Manifold Catalytic Converter (EPA Re-Certified OEM)

    2016-2019 Cadillac ATS Exhaust Manifold Catalytic Converter (EPA Re-Certified OEM)

    Partslink #: 335-65546

    This is a recertified OEM catalytic converter for vehicles with the 2.0L engine.

    Condition: Excellent (A)
    Mileage: 34,000 miles

    after $100 core refund
    Sale price: $555.95
    $455.95 View part →
  22. ✓ In Stock 2016-2019 Cadillac ATS Exhaust Manifold Catalytic Converter (EPA Re-Certified OEM)

    2016-2019 Cadillac ATS Exhaust Manifold Catalytic Converter (EPA Re-Certified OEM)

    Partslink #: 335.GM1U18

    This is a recertified OEM catalytic converter for vehicles with the 2.0L engine.

    Condition: Excellent (A)
    Mileage: 34,000 miles

    after $100 core refund
    Sale price: $555.95
    $455.95 View part →
  23. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Front (Magnaflow)

    2013-2015 Cadillac ATS Catalytic Converter - Front (Magnaflow)

    Partslink #: 551006

    CARB Executive Order D-193-133 Engine Family Number (EFN) DGMXV02.0021 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $510.00 View part →
  24. ✓ In Stock 2013-2016 Cadillac ATS Catalytic Converter - Rear (Magnaflow)

    2013-2016 Cadillac ATS Catalytic Converter - Rear (Magnaflow)

    Partslink #: 51577

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

    $515.00 View part →
  25. ✓ In Stock 2013-2016 Cadillac ATS Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    2013-2016 Cadillac ATS Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 51577
    $515.00 View part →
  26. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Front (MagnaFlow Performance Exhaust)

    2013-2015 Cadillac ATS Catalytic Converter - Front (MagnaFlow Performance Exhaust)

    Partslink #: 551006

    CARB Executive Order D-193-133 Engine Family Number (EFN) DGMXV02.0021 Cutting and Welding Required

    $556.00 View part →
  27. ✓ In Stock 2017-2019 Cadillac ATS Catalytic Converter (Dorman)

    2017-2019 Cadillac ATS Catalytic Converter (Dorman)

    Partslink #: 679-756

    CARB Compliant: No

    $604.30 View part →
  28. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Front (Magnaflow)

    2013-2015 Cadillac ATS Catalytic Converter - Front (Magnaflow)

    Partslink #: 51573

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

    $627.00 View part →
  29. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Front (MagnaFlow Performance Exhaust)

    2013-2015 Cadillac ATS Catalytic Converter - Front (MagnaFlow Performance Exhaust)

    Partslink #: 51573
    $627.00 View part →
  30. ✓ In Stock 2016-2019 Cadillac ATS Catalytic Converter (Magnaflow)

    2016-2019 Cadillac ATS Catalytic Converter (Magnaflow)

    Partslink #: 21-408

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

    $781.00 View part →
  31. ✓ In Stock 2016-2019 Cadillac ATS Catalytic Converter (MagnaFlow Performance Exhaust)

    2016-2019 Cadillac ATS Catalytic Converter (MagnaFlow Performance Exhaust)

    Partslink #: 21-408
    $781.00 View part →
  32. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Front (MagnaFlow Performance Exhaust)

    2013-2015 Cadillac ATS Catalytic Converter - Front (MagnaFlow Performance Exhaust)

    Partslink #: 551573

    CARB Executive Order D-193-133 Engine Family Number (EFN) DGMXV02.0021

    $1,086.00 View part →
  33. ✓ In Stock 2013-2015 Cadillac ATS Catalytic Converter - Front (Magnaflow)

    2013-2015 Cadillac ATS Catalytic Converter - Front (Magnaflow)

    Partslink #: 551573

    CARB Executive Order D-193-133 Engine Family Number (EFN) DGMXV02.0021 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $1,086.00 View part →

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Catalytic Converter Compatibility for Cadillac ATS

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

Available Trims

Base · Luxury · Performance · Premium · Premium Luxury · Premium Performance · Premium Sport · V

Body Types

Coupe · Sedan

Engine Options

L4 2.0L · L4 2.5L · V6 3.6L

Transmissions

Automatic · Manual

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