SEI MARINE PRODUCTS- Mercury Mariner Water Pump Kit 47-89984T5 135 150 175 200 HP 2-stroke Outboard This water pump kit replaces OE#: 47-89984T5 and fits 2.0, 2.4, and 2.5 2-stroke (135, 150, 175 and 200 HP) Mercury and Mariner outboard lower units from 1979-current. This kit does not include the housing.