Part Type: Engine Coolant Thermostat Housing Seal. 2004 GMC Sierra 1500 Engine: 4.8L V8;. 2004 GMC Sierra 1500 Engine: 5.3L V8;. 2004 GMC Sierra 1500 Engine: 6.0L V8;. 2005 GMC Sierra 1500 Engine: 4.8L V8;.
Engine Coolant Thermostat Housing Cap-Standard Coolant Thermostat Housing Cap
Engine Coolant Thermostat Housing Gasket-Thermostat Gasket Gates 33644
Engine Coolant Thermostat Housing Gasket-Thermostat Gasket Gates 33624
Engine Coolant Thermostat Housing Gasket-Thermostat Gasket Gates 33633
Engine Coolant Thermostat Housing Gasket-Thermostat Gasket Gates 33631