Heavy Duty Aluminum Bar and Plate Hydraulic Oil Cooler for Mobile and Industrial Hydraulics Core Dimensions (Finned area): 13.78" x 14.3" x 1.77" Inlet/Outlet: -12 SAE O-Ring Seal (1-1/16 UN) 3/4 Hose Overall Dimensions: 20.43" x 15.3" x 1.77" Replaces: Cool Line C-20, 4UJD5 Max Working Temp: 250F Max Working Pressure: 250 psi Notes: Reference performance graphs for proper sizing and mounting configuration. Leak tested from the factory. Leak tested from the factory. Guaranteed fit and function.