Shop 1987 Buick Century Engine Coolant Thermostat Housing. 6.6 LITER DIESEL. Silverado, Sierra; 6.6L. Cooling, WATER, System - OEM Buick Part # 12642720

Housing. Thermostat.
Engine Coolant Housing where a Thermostat is used but not included. Assembly - Engine Cooling. hsng. Engine Coolant. Inlet Assembly. Water Neck.

Engine Coolant Thermostat Housing

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

6.6 LITER DIESEL. Silverado, Sierra; 6.6L.
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.