Product Info: Part: Engine Coolant Thermostat Housing Material: Aluminum Gasket Or Seal Included: No Mounting Hole Quantity: 12 Inlet Port Diameter: 1.95 inches / 49.5 millimeters Mounting Hole Diameter: 0.35 inches / 9 millimeters Flange Thickness: 0.37 inches / 9.49 millimeters Outlet Port Diameter: 1.15 inches / 29.
This product would be ideal for Cadillac CTS owners of 2004-2007 model years requiring engine coolant thermostat housing replacement.