8M0062406 Mercury MerCruiser Bellows Kit | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Bravo U-Joint Bellows Assembly - Part Number: 8M0062406

A genuine Quicksilver U-joint bellows assembly used on MerCruiser Bravo sterndrive transom assemblies. This bellows seals the universal joint and driveshaft cavity between the bell housing and gimbal housing, helping prevent water entry into the gimbal bearing and U-joint area.

⚙️ Key Features

• Genuine Quicksilver OEM U-joint bellows assembly

• Correct Mercury part number 8M0062406

• Supersedes earlier 86840A3 bellows assembly reference

• Used with sleeve 862209 and related Bravo bellows hardware

• Critical sealing component for Bravo transom assembly service

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 8M0062406 → Supersedes 86840A3

• 86840A3 earlier Bravo U-joint bellows assembly reference

OEM / Related Numbers:

• 8M0062406

• 86840A3

• 862209 related sleeve

• 41674T related insert

• 23-807073 related bushing

• 8M0126505 related grounding clip

• 815504372 related clamp

• 8M0204667 related O-ring

Aftermarket / Verified Equivalents:

• Sierra / GLM / Mallory aftermarket Bravo bellows equivalents may exist

• OEM Quicksilver bellows recommended for correct sealing and fit

🚤 Compatibility

Commonly used on:

• MerCruiser Bravo sterndrive U-joint bellows / transom assembly applications

Typically suits:

• Drive models:

• MerCruiser Bravo One - serial 0B664190 to 0F729999

• MerCruiser Bravo One - serial 0F730000 to 0M100000

• MerCruiser Bravo One - serial 0M100001 to 0W249999

• MerCruiser Bravo One - serial 0W250000 and up

• MerCruiser Bravo Two - serial 0B664190 to 0F729999

• MerCruiser Bravo Two - serial 0F730000 to 0M100000

• MerCruiser Bravo Two - serial 0M100001 to 0W249999

• MerCruiser Bravo Two - serial 0W250000 and up

• MerCruiser Bravo Three - serial 0B664190 to 0F729999

• MerCruiser Bravo Three - serial 0F730000 to 0M100000

• MerCruiser Bravo Three - serial 0M100001 to 0W249999

• MerCruiser Bravo Three - serial 0W250000 and up

• MerCruiser Bravo X One / Two / Three transom assembly applications where 8M0062406 is specified

• MerCruiser Blackhawk transom assembly applications using Bravo-style U-joint bellows arrangement

• Drive Type: MerCruiser Bravo / Bravo X / Blackhawk sterndrive applications where specified

• System Type: U-joint bellows / transom assembly seal

🔌 Function

The bellows seals the driveshaft and universal joint cavity, preventing water from entering the gimbal bearing, coupler and U-joint area.

Common signs of failure:

• Water leaking into the bellows cavity or bilge

• Cracked, split or hardened bellows

• Rusty U-joints or driveshaft components

• Gimbal bearing noise after water intrusion

• Bellows replacement required during transom service

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging