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

If you just need the impeller only - CLICK HERE