Sierra Transom Seal Kit 18-8205 Mercury/Mercruiser

The Sierra 18-8205 is a premium aftermarket transom seal kit engineered to meet or exceed OEM specifications, providing everything you need for a complete reseal during removal and reinstallation of your MerCruiser stern drive. This comprehensive kit helps prevent water intrusion, protects critical components, and ensures reliable performance in harsh marine environments.Designed specifically for MerCruiser #1, R, MR, and Alpha One Generation I stern drives equipped with an exhaust tube (serial numbers approximately 1983–1991, from 6216687/6225577 through 0D469858). It directly replaces Mercury/MerCruiser OEM part #30-803098T1.

Features

• High-quality components built for durability and precise fit
• Includes a heavy-duty greaseable gimbal bearing for extended service life
• Complete bellows, hoses, gaskets, clamps, and O-rings for a thorough repair

Contents

• 1 x 18-2100 Heavy-Duty Greaseable Gimbal Bearing
• 1 x 18-2751 U-Joint Bellows
• 1 x 18-2760 Exhaust Tube (with clamp)
• 1 x 18-3601 Water Intake Hose
• 1 x 18-3602 Water Intake Hose
• 1 x 18-2743 Outdrive Mounting Gasket
• 2 x 18-2840 Bell Housing Gaskets
• 1 x 18-2753-1 Shift Cable Bellows
• Various O-rings, hose clamps and bellows clamps