Notes: Engine Coolant Thermostat Housing Assembly -- Thermostat with Housing Assembly. 2004-2006 Chevrolet Avalanche 1500 5.3L V8 Includes Thermostat. 2002-2003 Chevrolet Avalanche 1500 5.3L V8 Without Water Pump Casting No. 12562459; Use If Original Water Pump Replaced with Later Design; Includes Thermostat.
