This kit contains all the parts needed to replace the upper water pump including housing, impeller, plate, seal, gaskets, and o-rings. Kit fits Mercury/Mariner:• 105 hp Jet, serial #OD182000 and up• V135, serial #904646 adn up• 140 hp Jet, serial #OD082000 and up• V150, serial #A904646 and up• V175, serial #6618751 and up• V200, serial #6625221 and up• V220, all models | Complete Upper Water Pump Kit For Mercury/Mariner