Small radiator fitted in the oil circuit and positioned in a cooling airflow to cool the oil. Used mainly on high-performance engines.
A secondary cooling system used in cars with automatic transmissions. It cools the oil from the automatic transmission.
A device used to cool oil or automatic transmission fluid. A device used to cool race-car manual transmission and final-drive lubricants.
A device for cooling engine oil that is passed through a series of small passages and at the same time air is passed over the oil to draw the heat away from it.