Water Pump Kit with Housing for MerCruiser Alpha Gen II water pumps.

OEM: Mercury Replaces: Mercury 817275Q05 | 817275Q4 | 817275A5 | 817275A4 | 817275A3

For 1991 & later Alpha Gen II water pumps.

also crosses with: Sierra: 18-3147 GLM: 12414 Mallory: 9-48315