This unbranded aftermarket heat exchanger, part number MC30549, is a high-quality replacement for the Volvo Penta OEM part 354067. Designed to function as a water box, it ensures efficient cooling and maintains optimal operating temperatures for a wide range of Volvo Penta marine diesel engines. Compatible with various MD, AQD, TAMD, KAD, and KAMD series engines, including MD21, MD32, MD42, MD60, MD61, MD62, MD63, MD70, MD71, MD72, MD100, MD102, MD103, MD120, MD121, MD122, MD162, and MD163 models. This heat exchanger is crucial for preventing engine overheating and ensuring reliable marine propulsion.