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Hummer H2 Catalytic Converter Replacement

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  1. ✓ In Stock 2008-2009 Hummer H2 Catalytic Converter - Left or Right (Walker Exhaust)

    2008-2009 Hummer H2 Catalytic Converter - Left or Right (Walker Exhaust)

    Partslink #: 93253

    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. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation

    $139.83 View part →
  2. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Left (Davico Converters)

    2003-2006 Hummer H2 Catalytic Converter - Left (Davico Converters)

    Partslink #: 19414

    Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems

    $437.10 View part →
  3. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Left or Right (Magnaflow)

    2003-2006 Hummer H2 Catalytic Converter - Left or Right (Magnaflow)

    Partslink #: 99206HM

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

    $194.00 View part →
  4. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Left (Walker Exhaust)

    2003-2006 Hummer H2 Catalytic Converter - Left (Walker Exhaust)

    Partslink #: 16563

    with Federal/California Emissions System Exhaust Gasket is Recommended Additional Part(s) Needed To Complete Installation: 31718 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. Ultra Direct Fit Type

    $454.81 View part →
  5. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    2003-2006 Hummer H2 Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    Partslink #: 99206HM

    Cutting and Welding Required

    $194.00 View part →
  6. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Left (MagnaFlow Performance Exhaust)

    2003-2006 Hummer H2 Catalytic Converter - Left (MagnaFlow Performance Exhaust)

    Partslink #: 51372
    $744.00 View part →
  7. ✓ In Stock 2008-2009 Hummer H2 Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    2008-2009 Hummer H2 Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    Partslink #: 51209

    Cutting and Welding Required

    $211.00 View part →
  8. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Left (Magnaflow)

    2003-2006 Hummer H2 Catalytic Converter - Left (Magnaflow)

    Partslink #: 51372

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

    $744.00 View part →
  9. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Left or Right (Magnaflow)

    2003-2006 Hummer H2 Catalytic Converter - Left or Right (Magnaflow)

    Partslink #: 51206

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

    $211.00 View part →
  10. ✓ In Stock 2003 Hummer H2 Catalytic Converter - Left (MagnaFlow Performance Exhaust)

    2003 Hummer H2 Catalytic Converter - Left (MagnaFlow Performance Exhaust)

    Partslink #: 4451218

    CARB Executive Order D-193-136 Engine Family Number (EFN) 3GMXT06.0194

    $960.00 View part →
  11. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Right (Original Performance)

    2003-2006 Hummer H2 Catalytic Converter - Right (Original Performance)

    Partslink #: OPCG4027

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

    $386.54 View part →
  12. ✓ In Stock 2003 Hummer H2 Catalytic Converter - Left (Magnaflow)

    2003 Hummer H2 Catalytic Converter - Left (Magnaflow)

    Partslink #: 4451218

    CARB Executive Order D-193-136 Engine Family Number (EFN) 3GMXT06.0194 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $960.00 View part →
  13. ✓ In Stock 2004-2005 Hummer H2 Catalytic Converter - Left or Right (Magnaflow)

    2004-2005 Hummer H2 Catalytic Converter - Left or Right (Magnaflow)

    Partslink #: 445005

    CARB Executive Order D-193-100 Engine Family Number (EFN) 4GMXT06.0194 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $554.00 View part →
  14. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Right (Eastern Catalytic)

    2003-2006 Hummer H2 Catalytic Converter - Right (Eastern Catalytic)

    Partslink #: 50383

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

    $557.70 View part →
  15. ✓ In Stock 2003-2008 Hummer H2 Catalytic Converter - or Left or Right (AP Exhaust)

    2003-2008 Hummer H2 Catalytic Converter - or Left or Right (AP Exhaust)

    Partslink #: 776106

    776 Series 4 in Round Body Engine Family Number (EFN) 7GMXT06.0394 CARB Executive Order D-798-15 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2.5 in Inlet ID; 2.5 in Outlet ID ALL

    $574.98 View part →
  16. ✓ In Stock 2006 Hummer H2 Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    2006 Hummer H2 Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    Partslink #: 445009

    CARB Executive Order D-193-100 Engine Family Number (EFN) 6GMXT06.0394 Cutting and Welding Required

    $603.00 View part →
  17. ✓ In Stock 2003 Hummer H2 Catalytic Converter - Left or Right (Magnaflow)

    2003 Hummer H2 Catalytic Converter - Left or Right (Magnaflow)

    Partslink #: 445006

    CARB Executive Order D-193-100 Engine Family Number (EFN) 3GMXT06.0194 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $603.00 View part →
  18. ✓ In Stock 2003 Hummer H2 Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    2003 Hummer H2 Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    Partslink #: 445006

    CARB Executive Order D-193-100 Engine Family Number (EFN) 3GMXT06.0194 Cutting and Welding Required

    $603.00 View part →
  19. ✓ In Stock 2004-2005 Hummer H2 Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    2004-2005 Hummer H2 Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    Partslink #: 445005

    CARB Executive Order D-193-100 Engine Family Number (EFN) 4GMXT06.0194 Cutting and Welding Required

    $603.00 View part →
  20. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Right (Magnaflow)

    2003-2006 Hummer H2 Catalytic Converter - Right (Magnaflow)

    Partslink #: 24083

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

    $714.00 View part →
  21. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Right (MagnaFlow Performance Exhaust)

    2003-2006 Hummer H2 Catalytic Converter - Right (MagnaFlow Performance Exhaust)

    Partslink #: 24083
    $714.00 View part →
  22. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Right (MagnaFlow Performance Exhaust)

    2003-2006 Hummer H2 Catalytic Converter - Right (MagnaFlow Performance Exhaust)

    Partslink #: 51200
    $750.00 View part →
  23. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Right (Magnaflow)

    2003-2006 Hummer H2 Catalytic Converter - Right (Magnaflow)

    Partslink #: 51200

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

    $750.00 View part →
  24. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter - Right (AP Exhaust)

    2003-2006 Hummer H2 Catalytic Converter - Right (AP Exhaust)

    Partslink #: 912166

    91 Series Engine Family Number (EFN) 3GMXT06.0194 CARB Executive Order D-280-101 ; Direct Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements ALL

    $763.67 View part →
  25. ✓ In Stock 2003 Hummer H2 Catalytic Converter - Right (Magnaflow)

    2003 Hummer H2 Catalytic Converter - Right (Magnaflow)

    Partslink #: 4451219

    CARB Executive Order D-193-136 Engine Family Number (EFN) 3GMXT06.0194 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $978.00 View part →
  26. ✓ In Stock 2006 Hummer H2 Catalytic Converter - Left or Right (Walker Exhaust)

    2006 Hummer H2 Catalytic Converter - Left or Right (Walker Exhaust)

    Partslink #: 81723

    CARB Executive Order D-182-52 Engine Family Number (EFN) 6GMXT06.0394 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

    $1,020.11 View part →
  27. ✓ In Stock 2003 Hummer H2 Catalytic Converter - Right (MagnaFlow Performance Exhaust)

    2003 Hummer H2 Catalytic Converter - Right (MagnaFlow Performance Exhaust)

    Partslink #: 4451219

    CARB Executive Order D-193-136 Engine Family Number (EFN) 3GMXT06.0194

    $1,065.00 View part →
  28. ✓ In Stock 2007-2008 Hummer H2 Catalytic Converter - Left or Right (Magnaflow)

    2007-2008 Hummer H2 Catalytic Converter - Left or Right (Magnaflow)

    Partslink #: 5451309

    CARB Executive Order D-193-143 Engine Family Number (EFN) 7GMXT06.0394 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $1,277.00 View part →
  29. ✓ In Stock 2007-2008 Hummer H2 Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    2007-2008 Hummer H2 Catalytic Converter - Left or Right (MagnaFlow Performance Exhaust)

    Partslink #: 5451309

    CARB Executive Order D-193-143 Engine Family Number (EFN) 7GMXT06.0394 Cutting and Welding Required

    $1,277.00 View part →
  30. ✓ In Stock 2003-2006 Hummer H2 Exhaust Manifold Catalytic Converter - Right (Passenger), Right (EPA Re-Certified OEM)

    2003-2006 Hummer H2 Exhaust Manifold Catalytic Converter - Right (Passenger), Right (EPA Re-Certified OEM)

    Partslink #: 335-63817

    This is a recertified OEM catalytic converter for vehicles with the 6.0L engine.

    Condition: Excellent (A)
    Mileage: 87,400 miles

    after $300 core refund
    Sale price: $489.95
    $189.95 View part →
  31. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter and Exhaust Pipe Assembly - Left or Right (EPA Re-Certified OEM)

    2003-2006 Hummer H2 Catalytic Converter and Exhaust Pipe Assembly - Left or Right (EPA Re-Certified OEM)

    Partslink #: 335.AM1504

    This is a recertified OEM catalytic converter for vehicles with the 6.0L engine.

    Condition: Excellent (A)
    Mileage: 87,400 miles

    after $300 core refund
    Sale price: $489.95
    $189.95 View part →
  32. ✓ In Stock 2007-2009 Hummer H2 Catalytic Converter (Magnaflow)

    2007-2009 Hummer H2 Catalytic Converter (Magnaflow)

    Partslink #: 51209

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

    $211.00 View part →
  33. ✓ In Stock 2003-2009 Hummer H2 Catalytic Converter (Eastern Catalytic)

    2003-2009 Hummer H2 Catalytic Converter (Eastern Catalytic)

    Partslink #: 70855

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

    $211.13 View part →
  34. ✓ In Stock 2003-2006 Hummer H2 Catalytic Converter (AP Exhaust)

    2003-2006 Hummer H2 Catalytic Converter (AP Exhaust)

    Partslink #: 912005R

    91 Series Engine Family Number (EFN) 3GMXT06.0194 CARB Executive Order D-280-101 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2.25 in Inlet ID; 2.25 in Outlet ID; Round Body; 16 in OAL ALL

    $321.50 View part →
  35. ✓ In Stock 2007-2009 Hummer H2 Catalytic Converter (Eastern Catalytic)

    2007-2009 Hummer H2 Catalytic Converter (Eastern Catalytic)

    Partslink #: 50478

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

    $957.70 View part →
  36. ✓ In Stock 2007-2009 Hummer H2 Catalytic Converter (MagnaFlow Performance Exhaust)

    2007-2009 Hummer H2 Catalytic Converter (MagnaFlow Performance Exhaust)

    Partslink #: 49679
    $1,540.00 View part →
  37. ✓ In Stock 2007-2009 Hummer H2 Catalytic Converter (Magnaflow)

    2007-2009 Hummer H2 Catalytic Converter (Magnaflow)

    Partslink #: 49679

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

    $1,540.00 View part →

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Catalytic Converter Compatibility for Hummer H2

Browse our selection of quality catalytic converter parts designed specifically for your Hummer H2. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Adventure · Base · Luxury · Special Edition

Body Types

Crew Cab Pickup · SUV · Sport Utility

Engine Options

V8 6.0L · V8 6.2L

Transmissions

Automatic

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