Sierra 18-2603 Lower Shift Cable Kit for MerCruiser Alpha One Gen II

The Sierra 18-2603 Lower Shift Cable Kit is a complete replacement solution designed for MerCruiser Alpha One and Alpha One Generation II stern drives manufactured from 1978 and newer. This comprehensive kit restores smooth, effortless shifting performance and includes all necessary components for a complete installation.

Complete Kit Includes:

• 18-2190 Shift Cable Assembly with 63-inch conduit
• 18-2619-1 Outdrive Gasket Set
• 18-2753-2 Shift Cable Bellows
• 18-2743 Drive Shaft Housing to Bell Housing Gasket
• 18-2303 Anchor Set Screws (2)
• 18-3754 Cable Anchor

Application: This kit is designed for aft installation into the bell housing and fits MerCruiser MC-I, R, MR, Alpha One, and Alpha One Generation II stern drives (1978 and newer). The kit replaces MerCruiser OEM part numbers 19543T1, 19543T3, and 865436A03.

Installation Note: A shift cable installation tool (Sierra 18-9806E, sold separately) is required to complete installation. Drives manufactured before 1978 with forward-installed cables may require a 1/4-18 NPSF straight thread tap. Always verify your current cable installation type before ordering.

Worn or damaged shift cables can cause difficult shifting and potential gear damage. Sierra Marine manufactures premium aftermarket replacement parts that meet or exceed OEM specifications, ensuring reliable performance and durability for your marine stern drive system.