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GMC Sierra 2500 HD Engine Coolant Thermostat Seal Replacement

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  1. ✓ In Stock 2001-2003 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Victor Gaskets)

    2001-2003 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Victor Gaskets)

    Partslink #: 72141

    Molded Rubber

    $2.24 View part →
  2. ✓ In Stock 2001-2003 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Victor Reinz)

    2001-2003 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Victor Reinz)

    Partslink #: W0133-1687089
    $3.27 View part →
  3. ✓ In Stock 2001-2003 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Fel-Pro)

    2001-2003 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Fel-Pro)

    Partslink #: W0133-2327550
    $3.48 View part →
  4. ✓ In Stock 2001-2003 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Mahle)

    2001-2003 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Mahle)

    Partslink #: W0133-1687089
    $3.63 View part →
  5. ✓ In Stock 2001-2013 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Elring)

    2001-2013 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Elring)

    Partslink #: 658.490

    To 12/2003

    $3.74 View part →
  6. ✓ In Stock 2001-2016 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (FelPro)

    2001-2016 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (FelPro)

    Partslink #: 35762
    $4.19 View part →
  7. ✓ In Stock 2007-2022 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (FelPro)

    2007-2022 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (FelPro)

    Partslink #: 36219
    $4.71 View part →
  8. ✓ In Stock 2011-2022 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Mahle)

    2011-2022 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Mahle)

    Partslink #: W0133-3617244
    $6.54 View part →
  9. ✓ In Stock 2001-2013 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Elring)

    2001-2013 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Elring)

    Partslink #: 866.970

    From 01/2004

    $6.58 View part →
  10. ✓ In Stock 2001-2025 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Elring)

    2001-2025 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Elring)

    Partslink #: 792.640
    $9.18 View part →
  11. ✓ In Stock 2011-2022 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Mahle)

    2011-2022 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Mahle)

    Partslink #: W0133-4061583
    $9.46 View part →
  12. ✓ In Stock 2001-2006 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Reinz)

    2001-2006 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Reinz)

    Partslink #: 71-13551-00
    $10.13 View part →
  13. ✓ In Stock 2011-2014 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Mahle)

    2011-2014 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (Mahle)

    Partslink #: W0133-1821758
    $11.98 View part →
  14. ✓ In Stock 2011-2014 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (ACDelco)

    2011-2014 GMC Sierra 2500 HD Engine Coolant Thermostat Seal (ACDelco)

    Partslink #: W0133-1821758
    $16.17 View part →

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Engine Coolant Thermostat Seal Compatibility for GMC Sierra 2500 HD

Browse our selection of quality engine coolant thermostat seal parts designed specifically for your GMC Sierra 2500 HD. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

AT4 · AT4X · Base · Denali · Denali Ultimate · Pro · SL · SLE · SLT · WT

Body Types

Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup

Engine Options

V8 6.0L · V8 6.6L · V8 8.1L

Transmissions

Automatic · Manual

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