Shift Cable Bellow Kit for MerCruiser Bravo Alpha 74639A2, 18-2753-2, 74639B1

Shift Cable Bellow Kit for MerCruiser

This shift cable bellow kit is a replacement bellows assembly for MerCruiser Bravo and Alpha sterndrive systems, compatible with OEM part numbers 74639A2, 18-2753-2, and 74639B1.

Overview

The shift cable bellow kit seals the shift cable passage on MerCruiser Bravo and Alpha drives, preventing water intrusion and corrosion. Designed as a direct replacement, this shift cable bellow kit restores the protective boot between the transom and drive unit. It is an essential part of routine bellows maintenance for MerCruiser sterndrive owners.

Built For Performance

• Made from high-quality, marine-grade rubber for durability
• Includes all necessary clamps and hardware for installation
• Direct fit for MerCruiser Bravo and Alpha transom assemblies
• Resists ozone, saltwater, and fuel exposure
• Provides a tight seal to protect the shift cable from damage

Fits These Machines

• for MerCruiser Bravo
• for MerCruiser Alpha

On-The-Job Use

• Commonly replaced during annual bellows inspection on sterndrive boats
• Used when servicing the gimbal bearing or u-joint bellows
• Required after shift cable replacement to maintain watertight integrity
• Ideal for both in-shop and on-dock marine repairs

Specs At A Glance

Good To Know

Q: Why is the shift cable bellow important on a MerCruiser drive? A: The bellow prevents water from entering the transom cavity and damaging the shift cable, which could cause hard shifting or corrosion.

Q: Can this kit be used for both Bravo and Alpha drives? A: Yes, this kit is designed to fit both MerCruiser Bravo and Alpha series sterndrives when used with the correct gimbal housing.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.