GMC C25/C2500 Pickup Thermostats and Housings
This page covers thermostats and housings for the GMC C25/C2500 Pickup, spanning model years 1966–1978. The range includes engine coolant thermostats, water outlets, thermostat housings, and housing assemblies in OE-replacement and performance styles. Pick your GMC C25/C2500 Pickup'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
What's here for your GMC C25/C2500 Pickup
- Engine Coolant Thermostats — OE-replacement and performance options
- Engine Coolant Water Outlets — standard and chrome-finished styles
- Engine Coolant Thermostat Housings — including polished and chrome variants
- Engine Coolant Thermostat Housing Assemblies — complete kits with gaskets
The widest selection here comes from Motorad, Gates, Trans Dapt Performance, and Four Seasons, covering a broad range of fitments and finish options for 1966–1978 trucks. Other categories GMC C25/C2500 Pickup owners shop for: GMC C25/C2500 Pickup Fuel Tanks and Storage, GMC C25/C2500 Pickup Bumpers and GMC C25/C2500 Pickup Engine Block Parts, or browse all GMC C25/C2500 Pickup parts and accessories.