ZF 16-speed transmission retarder oil cooler assembly, OEM No.0501.221.839. Plate-fin aluminum alloy heat exchanger with high heat transfer efficiency. It cools the hydraulic retarder oil of 16S series gearbox to maintain stable working temperature. High temperature and pressure resistance, leak-proof. Suitable for heavy duty truck ZF 16-speed transmission maintenance replacement, factory direct supply in stock.
