Water Pump Impeller Repair Kit – Fits MerCruiser Alpha One Gen II & Vazer Drives (Replaces 817275Q05) 350HP Pal Nuts (matching the shaft's

Pal Nuts (matching the shaft's diameter)

6 mm) Material High-density polyethylene (HDPE)/Polyurethane Color Black Quantity 4-pack What’s in the Box

ensuring all fittings are tight

applying a marine-grade thread sealant or Teflon tape to the sensor's threads before installation is highly recommended to create a leak-proof seal

It serves as a direct aftermarket replacement

Water Pump Impeller Repair Kit – Fits MerCruiser Alpha One Gen II & Vazer Drives (Replaces 817275Q05) 350HP Pal Nuts (matching the shaft'sProduct Details This is a complete upper Water Pump Impeller Repair Kit for MerCruiser Alpha One Gen II sterndrive units (1991present, serial numbers D469859 and up) and all MerCruiser Vazer drives. It provides everything needed for a full service of the upper water pump housing. This kit serves as a direct replacement for multiple OEM and aftermarket part numbers, including Mercury MerCruiser 817275Q05, 817275A series, Sierra 18 3147, and GLM 12414.