Keep your engine running cool with a marine heat exchanger or boat heat exchanger from Go2marine. Our heat exchanger collection includes raw water and freshwater cooling heat exchangers for inboard diesel and gasoline engines. A failed unit can cause serious engine damage if not addressed quickly. Whether you're replacing a corroded heat exchanger or upgrading your cooling system after a repower, Go2marine carries marine heat exchangers for a wide range of engine applications. Browse our collection.