Alpha One Gen II stern drives (1991 and newer) SERV KIT-100 HRS (8M0147055)

The Alpha One Gen II Stern Drives (1991 and newer) SERV KIT-100 HRS is a purpose-built maintenance kit tailored for Mercury MerCruiser Alpha One Gen II stern drives. Designed to meet Mercury’s official 100-hour service recommendations, this kit is ideal for boaters who want to keep their drive unit running smoothly, safely, and efficiently year after year.

Engineered specifically for Alpha One Gen II models produced from 1991 onwards, this comprehensive service kit includes all the essential genuine Mercury parts required to complete routine 100-hour maintenance with confidence. Whether you’re a DIY enthusiast or a marine technician, this kit provides the peace of mind that comes from using factory-approved components for critical servicing.

The 100-hour service interval is a vital part of keeping your sterndrive operating at its best. Regular servicing helps prevent corrosion, reduce wear, improve cooling, and extend the overall lifespan of your Alpha One Gen II drive. This kit includes key items such as the water pump impeller, pump housing, gaskets, seals, o-rings, and drive oil drain/vent washers—everything needed to ensure dependable water flow and protect the lower unit from overheating or mechanical wear.

The included water pump impeller and associated parts are central to the cooling system, and their replacement at 100-hour intervals is essential to prevent impeller breakdown, overheating, or engine damage. The gaskets and o-rings help ensure a tight, leak-free seal during reassembly, and the oil drain screw washers help maintain a clean, sealed lubrication system when changing gear lube.

All components in the Alpha One Gen II Stern Drives (1991 and newer) SERV KIT-100 HRS are made to exact Mercury specifications, ensuring perfect fitment and performance. Using non-genuine parts may result in improper sealing, premature failure, or even damage to your sterndrive. That’s why this kit is the smart choice for any boat owner who wants to protect their investment and maintain smooth performance out on the water.

Whether you’re cruising, fishing, or towing, maintaining your sterndrive every 100 hours is the best way to ensure long-term durability and safe operation. This convenient, all-in-one service kit makes it easy to stay on top of your maintenance schedule—saving time, effort, and potential repair costs.

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