Sierra 18-8206-1 Transom Seal Kit for MerCruiser Alpha One Gen II

The Sierra 18-8206-1 Transom Seal Kit is a comprehensive replacement kit designed for MerCruiser Alpha One Gen II stern drives from 1991 to present. This complete kit includes all necessary components to service and seal the transom assembly, ensuring reliable performance and preventing water intrusion into your boat.

Kit Includes:

• Greasable gimbal bearing (18-21005) for extended service life
• U-joint bellows with retainer for drive shaft protection
• Exhaust bellows to seal exhaust system
• Shift cable bellows for cable protection
• Water intake hose (3/4-inch inner diameter)
• Stainless steel hose clamps
• Drive shaft housing to bell housing gasket
• Bell housing gasket
• O-rings and complete gasket installation kit

This kit replaces Mercury Marine OEM part number 30-803099T1. Sierra products are engineered to meet or exceed original equipment specifications and are built to withstand harsh marine environments. The greasable gimbal bearing design allows for regular maintenance to extend bearing life and improve reliability.