Shop 1991 Buick Century Engine Coolant Thermostat Housing. 2003-14. 4.3 liter. 6 cylinder, w/high output Cooling, WATER, PUMP - OEM Buick Part # 12556593

Thermostat. Housing. Outlet.
Engine Coolant Housing where a Thermostat is used but not included. hsng. Engine Coolant. Water Neck.

Engine Coolant Thermostat Housing

2003-14. 4.3 liter. 6 cylinder, w/high output. All Models. Astro, Safari; CPI, MPI. Express, Savana.
Engine Coolant Thermostat Housing - Repair or Replace
A failed thermostat housing will likely result in a cooling system leak, or will cause the engine in your to overheat. Consider replacing your engine coolant thermostat or having our staff of expert techs handle it for you.