New Mercury & Mariner Outboard Engine Flushers

OBParts offers a specialized selection of engine flushers designed for Mercury and Mariner outboard motors. These flushing products help boat owners efficiently perform routine maintenance—clearing salt, sand, and contaminants from the engine’s cooling system. Ideal for both freshwater and saltwater use, these flushers support optimal cooling efficiency and help prevent corrosion. Learn to locate the flushing port, attach the proper hose or flushing bag, and run your motor safely for approximately five minutes—then shut off and seal according to best marine practices. Perfect for preventative care and seasonal maintenance, these engine flushers help prolong motor life and enhance reliability.