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Pal Nuts (matching the shaft's diameter)
Yamaha 6 HP 6 4-Stroke 1989
J15) from 2002–2006
ensuring the roller spins freely but has minimal side-to-side play
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.
