SEI MARINE PRODUCTS- Yamaha Water Pump Kit 6L2-W0078-00 20 25 HP 2-stroke 1988-1998 2000 2001 2002 2003 2004 This water pump kit replaces OE#: 6L2-W0078-00, and fits 20 HP 2-stroke (1996-1997), and 25 HP 2-stroke (1988-1998,2000,2003-2004) Yamaha outboard lower units. It does not include the housing.