Exhaust Bellows for MerCruiser Alpha 1 Gen II Bravo 18654A1, 32734A3, 18-2750

Exhaust Bellows for MerCruiser

This exhaust bellows is a direct replacement for MerCruiser Alpha One Gen II and Bravo stern drives, serving as a critical seal between the drive unit and the transom assembly; OEM cross-reference numbers include 18654A1, 32734A3, and 18-2750.

Overview

The exhaust bellows for MerCruiser Alpha One Gen II and Bravo drives provides a watertight seal that prevents exhaust leaks and water intrusion. This exhaust bellows is engineered to withstand harsh marine environments and vibrations. It is ideal for boat owners and mechanics replacing worn bellows during routine maintenance.

Built For Performance

• Constructed from heavy-duty rubber compound for durability
• Direct fit design for easy installation
• Resists ozone, oil, and saltwater damage
• Helps maintain proper engine exhaust flow
• Meets or exceeds original equipment specifications

Fits These Machines

• for MerCruiser Alpha One Gen II
• for MerCruiser Bravo

On-The-Job Use

• Used in saltwater and freshwater boating applications
• Commonly replaced during annual stern drive service
• Prevents exhaust fumes from entering the boat
• Protects the drive from water damage

Specs At A Glance

Good To Know

Q: How often should exhaust bellows be replaced? A: Exhaust bellows should be inspected annually and replaced every 3-5 years depending on usage and condition.

Q: Can this bellows be used on both Alpha and Bravo drives? A: Yes, this exhaust bellows is designed to fit both MerCruiser Alpha One Gen II and Bravo series stern drives, ensuring a proper seal.

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