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Hummer H3T Catalytic Converter Replacement

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  1. ✓ In Stock 2009-2010 Hummer H3T Catalytic Converter - Rear, Rear (EPA Re-Certified OEM)

    2009-2010 Hummer H3T Catalytic Converter - Rear, Rear (EPA Re-Certified OEM)

    Partslink #: 335-63738

    This is a recertified OEM rear catalytic converter. It is for vehicles with the 3.7L engine.

    Condition: Excellent (A)
    Mileage: 111,400 miles

    after $185 core refund
    Sale price: $344.95
    $159.95 View part →
  2. ✓ In Stock 2009-2010 Hummer H3T Catalytic Converter - Rear, Rear (EPA Re-Certified OEM)

    2009-2010 Hummer H3T Catalytic Converter - Rear, Rear (EPA Re-Certified OEM)

    Partslink #: 335.AM1407

    This is a recertified OEM rear catalytic converter. It is for vehicles with the 3.7L engine.

    Condition: Excellent (A)
    Mileage: 111,400 miles

    after $185 core refund
    Sale price: $344.95
    $159.95 View part →
  3. ✓ In Stock 2009-2010 Hummer H3T Catalytic Converter - Rear Left or Rear Right (Walker Exhaust)

    2009-2010 Hummer H3T Catalytic Converter - Rear Left or Rear Right (Walker Exhaust)

    Partslink #: 84804

    Engine Family Number (EFN) 9GMXT05.3377 Optional 2 Type Universal Type CARB Executive Order D-182-79 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. Modifications and/or Additional Parts May Be Required for Installation

    $187.16 View part →
  4. ✓ In Stock 2009-2010 Hummer H3T Catalytic Converter - Left (Davico Converters)

    2009-2010 Hummer H3T Catalytic Converter - Left (Davico Converters)

    Partslink #: 19721

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

    $481.68 View part →
  5. ✓ In Stock 2009-2010 Hummer H3T Catalytic Converter - Rear Left or Rear Right (Walker Exhaust)

    2009-2010 Hummer H3T Catalytic Converter - Rear Left or Rear Right (Walker Exhaust)

    Partslink #: 84803

    Engine Family Number (EFN) 9GMXT05.3377 Optional 1 Type Universal Type CARB Executive Order D-182-79 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. Modifications and/or Additional Parts May Be Required for Installation

    $277.71 View part →
  6. ✓ In Stock 2009-2010 Hummer H3T Catalytic Converter - Rear Left or Rear Right (MagnaFlow Performance Exhaust)

    2009-2010 Hummer H3T Catalytic Converter - Rear Left or Rear Right (MagnaFlow Performance Exhaust)

    Partslink #: 5592306

    CARB Executive Order D-193-148 Engine Family Number (EFN) 9GMXT05.3377 Cutting and Welding Required

    $1,229.00 View part →
  7. ✓ In Stock 2009-2010 Hummer H3T Catalytic Converter - Rear Left or Rear Right (Magnaflow)

    2009-2010 Hummer H3T Catalytic Converter - Rear Left or Rear Right (Magnaflow)

    Partslink #: 5592306

    CARB Executive Order D-193-148 Engine Family Number (EFN) 9GMXT05.3377 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $1,229.00 View part →
  8. ✓ In Stock 2009-2010 Hummer H3T Catalytic Converter - Front Left or Front Right (Magnaflow)

    2009-2010 Hummer H3T Catalytic Converter - Front Left or Front Right (Magnaflow)

    Partslink #: 5582406

    CARB Executive Order D-193-148 Engine Family Number (EFN) 9GMXT05.3377 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)

    $1,863.00 View part →
  9. ✓ In Stock 2009-2010 Hummer H3T Catalytic Converter - Front Left or Front Right (MagnaFlow Performance Exhaust)

    2009-2010 Hummer H3T Catalytic Converter - Front Left or Front Right (MagnaFlow Performance Exhaust)

    Partslink #: 5582406

    CARB Executive Order D-193-148 Engine Family Number (EFN) 9GMXT05.3377 Cutting and Welding Required

    $1,863.00 View part →
  10. ✓ In Stock 2009-2010 Hummer H3T Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    2009-2010 Hummer H3T Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 51206

    Cutting and Welding Required

    $211.00 View part →
  11. ✓ In Stock 2009-2010 Hummer H3T Catalytic Converter - Rear (Magnaflow)

    2009-2010 Hummer H3T Catalytic Converter - Rear (Magnaflow)

    Partslink #: 51206

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

    $211.00 View part →
  12. ✓ In Stock 2009-2010 Hummer H3T Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    2009-2010 Hummer H3T Catalytic Converter - Rear (MagnaFlow Performance Exhaust)

    Partslink #: 51476
    $390.00 View part →
  13. ✓ In Stock 2009-2010 Hummer H3T Catalytic Converter - Rear (Magnaflow)

    2009-2010 Hummer H3T Catalytic Converter - Rear (Magnaflow)

    Partslink #: 51476

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

    $390.00 View part →

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Catalytic Converter Compatibility for Hummer H3T

Browse our selection of quality catalytic converter parts designed specifically for your Hummer H3T. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Adventure · Alpha · Base

Body Types

Crew Cab Pickup

Engine Options

L5 3.7L · V8 5.3L

Transmissions

Automatic · Manual

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