U-Joint Bellows for MerCruiser Bravo 86840A05, 86840A3, 9-72702, 89140, 18-2756

U-Joint Bellows for MerCruiser Bravo

This U-joint bellows for MerCruiser Bravo drives is a replacement part that seals the universal joint area from water and debris, cross-referencing OEM numbers 86840A05, 86840A3, 9-72702, 89140, and 18-2756.

Overview

The U-joint bellows for MerCruiser Bravo protects the drive shaft universal joint by forming a watertight seal. This essential component prevents corrosion and ensures smooth operation of the stern drive. Designed as a direct replacement for MerCruiser Bravo outdrives, it matches OEM spec.

Built For Performance

• Heavy-duty rubber construction resists tearing and punctures
• Precision molded to fit MerCruiser Bravo drive bellows housings
• Replaces worn bellows to prevent water intrusion into the u-joint
• Corrosion-resistant materials for marine environments
• Includes necessary hardware for installation

Fits These Machines

• for MerCruiser Bravo One
• for MerCruiser Bravo Two
• for MerCruiser Bravo Three
• for MerCruiser Bravo X

On-The-Job Use

• Installed during routine maintenance of MerCruiser Bravo stern drives
• Essential for boat owners who operate in saltwater or freshwater
• Replaces damaged bellows on inboard/outboard boats
• Used when rebuilding or servicing the u-joint assembly

Specs At A Glance

Good To Know

Q: How do I know if my bellows need replacement? A: Inspect for cracks, tears, or water leaks around the bellows area; replace immediately if any damage is found.

Q: Can I install this without pulling the drive? A: In many cases, the bellows can be replaced without removing the entire outdrive, but follow your service manual for specific steps.

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