Mercruiser Gen II Water Pump Kit | Sierra 18-3147
Sierra replacement water pump kit for Mercruiser Alpha I Gen II stern drives.
- Sierra Mercruiser water pump kit
- For Mercruiser Alpha I Gen II stern drives from s/n D469859 and above
- 6 blade impeller with key drive
- Replaces Mercury 817275T4, 817275Q05
- Replaces Mallory 9-48315
