817275Q05 Water Pump Impeller Kit for MerCruiser Alpha 1 Gen 2 817275K05

Product Overview

This water pump impeller kit provides essential cooling system maintenance for MerCruiser Alpha 1 Gen 2 outdrives. The kit includes the impeller, gaskets, and necessary components to restore proper water flow and prevent overheating. Marine mechanics and boat owners rely on this impeller kit to keep engines running reliably.

Key Features & Performance

• Includes high-quality rubber impeller with precision-molded vanes for consistent water pumping
• Kit contains gaskets, O-rings, and wear plate for a complete overhaul
• Durable construction resists heat, oil, and saltwater corrosion
• Direct replacement for factory MerCruiser components
• Engineered to meet or exceed OEM specifications

Fitment & Compatibility

• MerCruiser Alpha 1 Gen 2 sterndrives (1990 and later models)
• MerCruiser Alpha One Gen II (all variants)

Common Uses

• Replacing worn impeller during annual water pump service
• Restoring cooling system performance after overheating events
• Winterizing or pre-season maintenance for stern drive boats

Technical Specifications

• Part Number(s): 817275Q05, 817275K05
• Kit Includes: Impeller, gasket set, wear plate, O-rings
• Material: Neoprene rubber impeller, composite housing components
• Application: Freshwater and saltwater marine cooling systems

Frequently Asked Questions

Q: How often should I replace the water pump impeller in my MerCruiser Alpha 1 Gen 2? A: It is recommended to replace the impeller every two years or 200 hours of operation, whichever comes first, to prevent overheating and impeller failure.

Q: Does this kit include the housing or just the internal parts? A: This kit includes the impeller, gaskets, wear plate, and O-rings; the pump housing is not included and must be reused or purchased separately.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.