Dorman OE Solutions Thermostat Housing - 902-5016 Part #: 902-5016 Line: DOR Dorman OE Solutions Thermostat Housing Limited Lifetime Warranty Material: Metal Outlet Diameter (in): 1 Inch Hardware Included: No Bolt Hole Diameter (in): 5/16 Inch Housing Neck Angle (Deg): 60 Degree Number Of Bolt Holes: 2 Gasket Or Seal Included: Yes Thermostat Included: No Air Vent (Bleeder Valve) Included: Yes Show More Show Less