Part Type: Engine Coolant Thermostat Housing Gasket. Engine Coolant Thermostat Housing. 2006 Volkswagen Passat Engine: 3.6L V6;EngineCode: BLV; Molded Rubber; O-Ring Type;. 2007 Volkswagen Passat Engine: 3.6L V6;EngineCode: BLV; Molded Rubber; O-Ring Type;.