Alpha One Gen Two 300 Hour Service Kit Replacement SERV KIT-300 HRS (8M0147073)

The Alpha One Gen Two 300 Hour Service Kit Replacement SERV KIT-300 HRS is the ultimate solution for performing a complete 300-hour maintenance on your Mercury MerCruiser Alpha One Gen II sterndrive system. Specifically designed for models from 1991 and newer, this all-in-one kit delivers the essential genuine Mercury components required to maintain optimal performance, extend driveline longevity, and ensure your sterndrive runs as reliably as the day it was installed.

Reaching 300 hours of engine operation is a key milestone in your maintenance schedule, and it demands more than just a routine service. This comprehensive service kit includes high-wear items such as the water pump impeller, pump housing, base plate, gaskets, seals, o-rings, drain screw gaskets, and other hardware that supports complete cooling and sealing system maintenance.

The water pump system is at the heart of your sterndrive’s cooling function, and replacing it at 300-hour intervals is essential to prevent overheating and internal damage. The product  ensures that all related parts are updated together, preserving efficient water flow and protecting against premature wear.

The included seals and gaskets also help eliminate the risk of gear lube leaks and water intrusion—two common causes of costly damage in marine drives. Each part in this kit is a genuine OEM Mercury component, precision-engineered for durability and perfect fitment, so you can service with confidence.

This kit is suitable for both DIY users and professional marine technicians. By combining all the correct parts into a single, model-specific package, it saves time, eliminates guesswork, and ensures your Alpha One Gen II gets the care it needs at the 300-hour service point.

Regular 300-hour servicing improves reliability, enhances efficiency, and protects your investment for years to come. Whether you cruise inland lakes or saltwater bays, the Alpha One Gen Two 300 Hour Service Kit Replacement SERV KIT-300 HRS gives your sterndrive the protection and performance edge it deserves.

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