Sierra 18-8218 Transom Seal Kit for MerCruiser Alpha One Gen II

The Sierra 18-8218 Transom Seal Kit provides a complete solution for servicing the transom seal assembly on MerCruiser Alpha One Generation II sterndrives (1991 and newer). This comprehensive kit includes all the essential rubber seals, gaskets, and components needed to prevent water intrusion and ensure proper operation of your sterndrive system.

Complete Kit Includes:

• Exhaust bellows for sealing the exhaust system
• Drive bellows (U-joint bellows) to protect the drive shaft
• Outdrive mounting gasket for proper transom assembly seal
• Bell housing gasket
• Gimbal bearing for smooth sterndrive operation
• Water intake hose for cooling system
• O-ring seals
• Shift cable bellows to protect shift cable from water and debris
• Hose clamps for secure installation

Application: Designed specifically for MerCruiser Alpha One Generation II sterndrive units manufactured from 1991 to present. This kit replaces worn or damaged transom assembly components during routine maintenance or overhaul.

Quality Construction: Sierra Marine is a trusted aftermarket manufacturer providing OEM-quality replacement parts. All rubber components are made from durable, marine-grade materials designed to withstand harsh saltwater and freshwater environments.