GMC Sierra 1500 Thermostats and Housings
This page brings together thermostats and housings for the GMC Sierra 1500, covering model years 1999–2026. The range includes engine coolant thermostats, thermostat housings, housing assemblies, and water outlets in OE replacement and performance styles. Select your year above and we'll show only the thermostats and housings that fit your GMC Sierra 1500. Fitment is checked against our vehicle data for every part listed.
Mishimoto MMTS-VET-05 Racing Thermostat for 2010-2015 Chevrolet Camaro SS/ZL1
Derale Performance 15719 Billet Fluid Control Thermostat Kit 1/2" NPT 180°F
Mishimoto MMTS-VET-97L Low-Temperature Racing Thermostat 160°F
Mishimoto MMTS-VET-14 Racing Thermostat for Chevrolet Corvette C7
What's here for your GMC Sierra 1500
- Engine Coolant Thermostats — including OE replacement and performance options, some offered as kits with gaskets
- Engine Coolant Thermostat Housings — available in standard and black finishes
- Engine Coolant Thermostat Housing Assemblies — complete units that bundle the housing and related components
- Engine Coolant Water Outlets — the connection point between the thermostat housing and the upper coolant hose
The widest selection of thermostats and housings for the GMC Sierra 1500 here comes from Motorad, Dorman, MAHLE, and March Performance. Other categories GMC Sierra 1500 owners shop for: GMC Sierra 1500 Shocks and Struts, GMC Sierra 1500 Springs and Suspension Parts and GMC Sierra 1500 Exterior Lights, or browse all GMC Sierra 1500 parts and accessories.