Description:Cat® Oil Coolers, separate smaller radiator to an engine's main radiator, which maintains an oil supply at a consistent, optimal temperature. Its purpose is to cool the oil passing through the coils, thus improving the engine and the transmission's lifetime. They are situated in front of an engine's cooling system. This is a OEM direct replacement part. Radiators are important components of engine, which draw out excess heat to cool engines.Application:Consult your owner’s manual or contact your local Cat Dealer for more information.