Derale Oil Cooler Adapter - Sandwich Adapter - Screw-In - 3/4-18 in / 18 x 1.5 mm / 20 x 1.5 mm / 22 x 1.5 mm Center Thread - 3/8 in NPT Female Inlet - 3/8 in NPT Female Outlet - Aluminum - Kit-15735--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO