8M0169040 Mercury MerCruiser Bearing Retainer | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Bearing Retainer - Part Number: 8M0169040

Genuine Quicksilver bearing retainer used in MerCruiser stern drive and transom assemblies. This retainer supersedes 816811-2 and is used on R / MR / Alpha One, Vazer and QuickSilver Alpha One applications where the drive or transom diagram specifies 8M0169040.

⚙️ Key Features

• Genuine Quicksilver OEM bearing retainer

• Correct Mercury part number 8M0169040

• Supersedes 816811-2

• Used on MerCruiser stern drive and transom bearing-retainer locations

• Supports correct bearing alignment and retention in the drive / transom assembly

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 8M0169040 → Supersedes 816811-2

• 816811-2 earlier OEM bearing retainer reference

• 816811 earlier bearing retainer family reference

OEM / Related Numbers:

• 8M0169040

• 816811-2

• 8168112

• 816811

• Retainer bearing

• Bearing retainer

• MerCruiser drive bearing retainer

• Alpha One bearing retainer

• Vazer bearing retainer

Aftermarket / Verified Equivalents:

• Aftermarket bearing retainers are available by exact 8M0169040 / 816811-2 match

• Use OEM or direct dimensional replacement only because bearing-retainer thread and shoulder dimensions are critical

🚤 Compatibility

Commonly used on:

• MerCruiser R / MR / Alpha One sterndrive assemblies

• MerCruiser R / MR / Alpha One transom assemblies

• MerCruiser Vazer drive and transom assemblies

• QS Alpha One applications

Typically suits:

• Drive / transom models:

• MerCruiser R / MR / Alpha One Sterndrive - 1983-1990, serial 6225577 to 0F386995

• MerCruiser R / MR / Alpha One Transom Assembly - 1983-1990, serial 6216687 to 0F386995

• MerCruiser Vazer Drive - serial 0W995000 and up

• MerCruiser Vazer Transom - serial 0W755000 and up

• QS Alpha One - serial 2A629407 and up

• Drive Type: MerCruiser R / MR / Alpha One, Vazer and QS Alpha One

• System Type: Bearing retainer / drive or transom bearing support

🔌 Function

The bearing retainer secures and locates the bearing in the drive or transom assembly so the shaft and rotating components remain correctly aligned.

Common signs of failure:

• Retainer damaged during disassembly

• Bearing movement or misalignment

• Corroded or damaged retainer threads

• Drive noise after bearing service

• Retainer distorted by incorrect tool use

• Replacement required during drive or transom rebuild

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging