OMC Cobra Stern Drives 2.3L to 7.5L Water Pump Impeller Kit Ref 984461 777128   Water Pump Impeller Kit Kit includes: Impeller, Impeller Wear Plate, Gasket, O-ring, Housing and Pump Liner as illustrated. Replaces EMP Part Number: 46-03638 Replaces OEM Part Number: 984461, 983895, 984744 Replaces Sierra Part Number: 18-3348 Fits the following OMC Cobra applications: 2.3 liter 1987-1990 2.5 liter 1986 3.0 liter 1986-1993 4.3 liter 1986-1993 5.0 liter 1986-1993 5.7 liter 1986-1993 5.8 liter 1989-1993 7.5 liter 1987-1989