Dorman OE Solutions Thermostat Housing - 902-2004 Part #: 902-2004 Line: DOR Dorman OE Solutions Thermostat Housing Limited Lifetime Warranty Material: Metal Outlet Diameter (in): 1-1/4 Inch Hardware Included: No Bolts Included: No Bolt Hole Diameter (in): 5/16 Inch Housing Neck Angle (Deg): Straight Number Of Bolt Holes: 2 Gasket Or Seal Included: Yes Thermostat Included: No Air Vent (Bleeder Valve) Included: No Show More Show Less