Oil Radiator, FACTORY NEW, Yak 52, Yak 50, Yak 18-T
Did we mention they are N-E-W ?
Wherever Vedeneyev M14-P motors make noise, this oil cooler is used. It incorporates a bypass passage to protect the heat exchanger core when the oil is too thick /cold.
The oil exits through the Thermostatic valve, the supply line also incorporates the low point and drain, accessed ( in the case of the 52) through the underside of the Radiator sheet metal shroud.