Find the Thermostats & Housings you need to repair or maintain the cooling system in your 2011-2016 Chevy/GMC 6.6L LML Duramax Whether you need a billet upgraded housing, or a stock replacement, you can find what you need to fit your budget and application. Higher temperature, stock, and lower temperature thermostats are offered to customize your cooling system to fit your needs. XDP has top manufactures such as Dorman, Mishimoto, and many more to choose from.