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Mahle C31858 Thermostat Gasket - 03-07 Dodge 5.9L Cummins

Thoroughbred Sku #: MCIC31858
Manufacturer Sku #: C31858

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Product Details

Product Name: Mahle C31858 Thermostat Gasket - 2003-2007 Dodge 5.9L Cummins
Manufacturer: Mahle
Manufacture Part #: C31858
Thoroughbred Diesel Part #: MCIC31858
Fitment Notes: 2003-2007 Dodge 5.9L Cummins

The MAHLE C31858 Thermostat Gasket is a direct-fit replacement for torn thermostat gasket in your 2003-2007 Dodge 5.9L Cummins. This gasket features molded rubber construction and is quality tested & engineered for a long service life.

Mahle Thermostat Gasket Features:

  • Quality Tested
  • Direct-Fit Replacement
  • Molded Rubber Construction
  • Cross Reference For Cummins Part#: 3954829
  • Cross Reference For Chrysler Part#: 5086 740AA, K05086740AA
  • For more on Mahle call us at 1-859-737-4966.

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  • I have a 2004 Dodge 3500 with "C"" 5.9 Cummins. Looking for the correct thermostat 180*. I find 3 styles listed and need the correct thermostat for towing 5th wheel in Colorado terrain. The one type shows standard tyoe 2nd type shows slug on bottom of thermostat. 3rd style shows spring with additional plate to close off the casting water flow. Which is correct? Local dealer is of no help! My plan is to go to 180* from 200* tow in mountains. Fan clutch is new. Rad Flushed. Temp 220????

    Garry Griffitt | 7/31/2024

    Here is the only 180 degree thermostat we offer:

    https://www.thoroughbreddiesel.com/mmts-ram-99l/