Mishimoto MMTS-CHV-01DH Racing Thermostat Set of 2 85 C/185 F 89 C/191 F

Chevrolet/GMC 6.6L Duramax High Temperature Thermostats (set of 2) The Mishimoto Chevrolet Duramax high temperature thermostats activate at a higher temperature than the OEM thermostats, making them the perfect solution for Duramax owners who live in colder climates, or have trouble reaching operating temperatures.Activating at a higher temperature means the thermostats will allow the coolant to stay in the engine longer delaying the coolant flowing through the radiator, which allows the engine to warm up sooner. Fits 2001-2013 Chevrolet/GMC 6.6L Duramax Activates at higher temperature allowing engine temperatures to rise Ideal for colder climates