Mercury Rebuild Kit, Upper Water Pump (Alpha One Gen II & Vazer) 817275K05

Mercury Rebuild Kit, Upper Water Pump (Alpha One Gen II & Vazer) 817275K05

is a genuine OEM service kit designed for MerCruiser Alpha One Gen II and Vazer sterndrives. Replacing worn water pump components at the recommended service interval helps maintain proper cooling water flow and protect your engine from overheating.

Compatible with the following:

• MerCruiser Alpha One Gen II sterndrives
• MerCruiser Vazer sterndrives

This complete rebuild kit includes the major components needed to service the upper water pump. Designed as a direct OEM replacement, each part is manufactured to Mercury Marine specifications for proper fit, dependable performance, and long service life.

Kit Includes:

• Upper water pump housing
• Water pump impeller
• Gaskets
• O-ring
• Wear plates
• Impeller key
• Water guide fittings

Routine water pump maintenance is essential for reliable engine cooling and long-term sterndrive performance. Replacing worn pump components helps maintain cooling efficiency and reduce the risk of costly engine damage.

To Confirm Compatibility: Contact our team with your engine serial number at (727) 596-5929 before ordering.