Notes: Engine Coolant Thermostat Housing Assembly -- Thermostat with Housing Assembly. 2005-2006 Chevrolet Silverado 1500 HD 6.0L V8 Includes Thermostat. 2001-2003 Chevrolet Silverado 1500 HD 6.0L V8 Without Water Pump Casting No. 12562459; Use If Original Water Pump Replaced with Later Design; Includes Thermostat.
