Seller notes

A defective thermostat can result in engine overheating and potential internal damage. Improve the reliability of your 5.9L cooling system with a Mishimoto Dodge 5.9L Cummins Low-Temperature Thermostat! This thermostat is designed as a direct-fit replacement for your aged factory unit. The Mishimoto thermostat has a lower activation temperature (174F) compared to the factory thermostat (180F). The lower activation temperature allows coolant to flow through the engine earlier, which reduces and m...

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