Mishimoto MMTS-CHV-01DL Racing Thermostat Set of 2 79 C/174 F 83 C/180 F

Thermostat, Low-Temp, Set of 2, fits Chevrolet/GMC 6.6L Duramax 2001+ The Mishimoto Chevrolet Duramax low temperature thermostats activate at a lower temperature than the OEM thermostats, making them the perfect solution for Duramax owners who live in warmer climates, or use their trucks under heavy load or strenuous driving conditions.Activating at a lower temperature means coolant will begin flowing through the system and allow for cooler temperatures. Fits 2001+ Chevrolet/GMC 6.6L Duramax Activates at lower temperature so coolant flows through system earlier Allows for cooler engine temperatures