This lower seal kit is specifically designed for Mercruiser #1 units including Alpha One drives, manufactured by Sierra, with part number 18-2652. It is compatible with Generation I drives from 1972 to 1990. The kit includes all necessary components to replace the lower seal, ensuring a proper seal for your engine.

This item is a must-have for anyone in need of a reliable replacement for their boat's Mercruiser Alpha One drive. The kit is easy to install and provides a high-quality seal for your engine.