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The Mishimoto high-temperature thermostat for Dodge 5.9L and 6.7L Cummins engines is a direct-fit replacement that raises activation to 205°F versus stock. By restricting coolant circulation longer it shortens warm-up time, improving reliability and reducing cold-weather wear. Ideal for cold climates, this thermostat also ships with Mishimoto's Lifetime Warranty for added confidence in long-term service.
Mishimoto Dodge 5.9L/6.7L Cummins High-Temperature Thermostat
