Core (Finned area) Dimensions:9.8'' x 9.9'' x 2.56'. Inlet Size:-12 SAE O-Ring Seal (1-1/16 UN). Outlet Size: -12 SAE O-Ring Seal (1-1/16 UN). Overall Dimensions:15.8'' x 11.6'' x 2.56'. Max Working Pressure: 360 psi. For Heavy Duty Industrial Hydraulic System Cooling. Please keep in mind that spending time before purchasing the part to confirm it is indeed exactly what you need can help prevent you from ordering the wrong part. Replace/return are available if buyers receive wrong/damaged/defective items. Anyway, by nice communications, we can find a way to make you satisfied.