Features: Durability Tested, 100% Leak Tested, Downflow Radiator. Placement on Vehicle: Front, Engine Compartment. OE/OEM Part Number: 19010RZAA51, HO3010209. Inlet Diameter: 1 1/4. Interchange Part Number: 19010RZAA51, HO3010209. Item Height: 15 11/16. Item Length: 28 11/16. Outlet Diameter: 1 1/4. Mounting Hardware Included: No.