Rubber Saildrive Bellows Kit for Penta Sail Drive 110S 120S 130S 150S Replace REC877362 21389074 22247894 The rubber saildrive bellows kit is designed for use with Penta SailDrive models 110S, 120S, 130S, and 150S.It serves as a direct replacement for part numbers REC877362, 21389074, and 22247894.This bellows functions as a critical seal in the sail drive system, preventing seawater from entering the hull while allowing for the necessary movement between the engine and the propeller unit.Constructed from reinforced synthetic rubber, the material resists saltwater corrosion and absorbs mechanical stress caused by changes in speed and direction during.The flexible design maintains a watertight connection over extended periods when properly maintained, supporting performance in marine environments.Suitable for recreational and commercial vessels relying on consistent propulsion system integrity, this component plays a key role in preserving the structural and operational longevity of the sail drive unit.