853651 Mercury MerCruiser Retainer Bearing | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Driveshaft Bearing Retainer - Part Number: 853651

A genuine Quicksilver driveshaft bearing retainer used in selected Mercury / Mariner outboard gearcases and MerCruiser Alpha One Gen II / Vazer drive applications. This retainer secures the driveshaft bearing assembly within the gear housing and helps maintain correct bearing preload and gearcase alignment.

⚙️ Key Features

• Genuine Quicksilver OEM bearing retainer

• Correct Mercury part number 853651

• Used in selected outboard and sterndrive gear housing assemblies

• Commonly fitted to Mercury 65 Jet through 150HP FourStroke applications

• Also used on Alpha One Gen II and Vazer drive applications where specified

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 853651 current OEM service reference

OEM / Related Numbers:

• 853651

• 853651 Retainer-Bearing

• Driveshaft Bearing Retainer

• Gear Housing Bearing Retainer

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Mercury / Mariner outboard driveshaft bearing retainer applications

• MerCruiser Alpha One Gen II and Vazer drive gear housing applications

Typically suits:

• Engine / drive models:

• Mercury 65 Jet 4-Stroke - serial 2B095049 and up

• Mercury 75 EFI 4-Stroke - serial 2B095049 and up

• Mercury 80 EFI 4-Stroke - serial 2B095049 and up

• Mercury 80 Jet 4-Stroke - serial 2B095049 and up

• Mercury 90 EFI 4-Stroke - serial 2B095049 and up

• Mercury 100 EFI 4-Stroke - serial 2B095049 and up

• Mercury 115 EFI 4-Stroke - serial 2B095049 and up

• Mercury 150 FourStroke - serial 1B905505 and up

• MerCruiser Alpha One Gen II - 1998 and newer, serial 0L100040 and up

• MerCruiser Vazer Drive - serial 0W995000 and up

• MerCruiser Vazer Transom - serial 0W755000 and up

• HP Range: 65 Jet through 150HP FourStroke, plus Alpha One Gen II and Vazer drive applications

• Engine / Drive Type: Mercury / Mariner outboard gearcase and MerCruiser sterndrive

• System Type: Driveshaft bearing retainer / gear housing component

🔌 Function

The bearing retainer holds the driveshaft bearing in its correct position inside the gear housing, supporting gear alignment and lower-unit reliability.

Common signs of failure:

• Bearing movement inside the gear housing

• Lower-unit noise or vibration

• Gear oil contamination from bearing wear

• Damage found during gearcase service

• Retainer thread or seating surface damage

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging