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Mishimoto high-temperature thermostats for Chevrolet/GMC 6.6L Duramax applications activate at a higher temperature than OEM units to allow the engine to reach operating temperature sooner, useful in colder climates or when warming is slow. These thermostats are specified for many 2001–2013 Chevrolet and GMC 6.6L Duramax engines and change coolant flow timing accordingly.
Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat
