SEI MARINE PRODUCTS- Evinrude Johnson Water Pump Kit 0393630 20 25 35 HP 2 Stroke 1980-2005. Please see description for specific models. This water pump kit replaces OE#: and fits 20 HP 2 Stroke (1985 - 1998), 25 HP 2 Stroke (1985 - 2005), and 35 HP 2 Stroke (1980-1996) Evinrude Johnson outboard lower units.