Molded Rubber; O-Ring Type
Silicone
Engine Coolant Thermostat Housing Gasket; FOR THERMOSTAT HOUSING LEFT, RIGHT SIDES
Lower Housing
Lower Housing
Browse our selection of quality engine coolant thermostat housing gasket parts designed specifically for your GMC Sierra 2500 HD. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Denali · SL · SLE · SLT · WT
Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup
V8 6.0L · V8 6.6L · V8 8.1L
Automatic · Manual
