ACDelco 15-11057: 15-11057 Thermostat Housing Assembly for Select 1997-2009 GM Vehicles
Thermostat Housing
AC Delco Thermostat Housing Assembly Select 1997-2009 GM Vehicles (See Fitment Tab for Exact Models) 1/4 in. Bolt Hole Diameter 2 in. Center Bore Diameter 3 in. Flange Thickness 2 11/16 in. Flange Width Gasket Included