Mishimoto MMTS-CHV-01DH High-Temperature Racing Thermostat Compatible With Chevrolet GMC 6.6L Duramax 2001-2016
- Fits 2001–2013 Chevrolet/GMC 6.6L Duramax.
- Activates at higher temperature allowing engine temperatures to rise.
- Purchase Includes: One 185° F Thermostat / One 191° F Thermostat.
- Thermostats activate at a higher temperature than the OEM thermostats.