SEI MARINE PRODUCTS- Evinrude Johnson Water Pump Kit 0438592 40 48 50 HP 2 Stroke 3 Vane 1989-1998 This water pump kit has a 3 vane impeller, replaces OE#: 0438592 and fits 40 HP 2 Stroke (1989-1998) Small Housing, 48 HP 2 Stroke (1989-1986) and 50 HP 2 Stroke Small Housing (1989-1998) Evinrude Johnson outboard lower units.