18 1/4'' X 6 3/4'' Single Pass Oil Cooler with 1/2'' Female NPT18 1 4'' X 6 3 4'' Single Pass Oil Cooler with 1 2'' Female NPT CORE HEIGHT: 6'' CORE WIDTH: 14 1 4'' CORE THICKNESS: 1 1 2'' OVERALL HEIGHT: 6 3 4'' OVERALL WIDTH: 18 1 4'' FITTING INLET: 1 2'' Female NPT FITTING OUTLET: 1 2'' Female NPT FLOW RANGE GPM: 2 12 HEAT REJECTION BTU HR: 8,600 11,600 Single Pass Air to Oil Max Operating Pressure at 200 psi Includes 2 Mounting Kits KA74138 RTF Round Tube and Fin Design with Female 1 2'' NPT Related Parts