GMC Sierra 3500 Thermostats and Housings
This page brings together thermostats and housings for the GMC Sierra 3500, covering model years 2001–2013. The range includes individual thermostats, thermostat housings, full housing assemblies, and water outlets — whether you need an OE-style replacement or a performance-oriented option. Pick your GMC Sierra 3500's year above to narrow the list to thermostats and housings with confirmed fitment. Every part shown is checked against our vehicle data.
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-CHV-01DL Low Temperature Thermostat Set for 6.6L Duramax
Mishimoto MMTS-CHV-01DH Chevrolet/gmc 6.6l Duramax High Temperature Thermostats (set Of 2)
What's here for your GMC Sierra 3500
- Engine Coolant Thermostats — including OE replacement and performance styles
- Engine Coolant Thermostat Housings — available in standard and black finishes
- Engine Coolant Thermostat Housing Assemblies — kit-style options with gaskets included
- Engine Coolant Water Outlets — individual outlet components for housing repairs
The widest selection here comes from Motorad, ACDelco, March Performance, and MAHLE, spanning OE-style replacements through performance and kit configurations. Other categories GMC Sierra 3500 owners shop for: GMC Sierra 3500 Shocks and Struts, GMC Sierra 3500 Exterior Lights and GMC Sierra 3500 Seats and Seat Parts, or browse all GMC Sierra 3500 parts and accessories.