Mercury - Quicksilver Sterndrive Transom Seal Repair Kit For MerCruiser Alpha One Gen II Drives 803099T1. Overview. A good seal is the difference between a smooth-running drive and one that lets water cause trouble. The Mercury Marine 803099T1 Quicksilver Transom Seal Repair Kit gives you everything you need to reseal the transom on your MerCruiser Alpha One Gen II sterndrive. It includes hoses, seals, gaskets, bellows, and hose clamps - all made to Mercury's original specifications. Whether you