GMC Sierra Thermostats and Housings
This page brings together thermostats and housings for the GMC Sierra, covering model years 2002–2021. The range includes engine coolant thermostats, thermostat housings, water outlets, and housing assemblies in a variety of styles and materials. Choose your model year above and this page keeps only the thermostats and housings that fit your GMC Sierra. Each listing is matched to our vehicle fitment data before it appears here.
Derale Performance 15719 Billet Fluid Control Thermostat Kit 1/2" NPT 180°F
Mishimoto MMTS-VET-97L Low-Temperature Racing Thermostat 160°F
What's Here for Your GMC Sierra
- Engine Coolant Thermostat Housing
- Engine Coolant Thermostat
- Engine Coolant Water Outlet
- Engine Coolant Thermostat Housing Assembly
The widest selection here comes from March Performance, Motorad, Dorman, and ACDelco, offering options that span standard replacement housings, black-finish covers, performance-oriented units, and complete kit assemblies. Other categories GMC Sierra owners shop for: GMC Sierra Exterior Lights, GMC Sierra Valve Train Parts and GMC Sierra Springs and Suspension Parts, or browse all GMC Sierra parts and accessories.