268M0204708 Mercury MerCruiser Seal | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Oil Seal - Part Number: 26-8M0204708

Genuine Quicksilver oil seal used in Mercury and MerCruiser assemblies requiring the current 26-8M0204708 service seal. This seal is the current replacement for earlier 26-8164641 in supported diagrams and is used to retain lubricant while preventing water or contamination from entering the sealed assembly.

⚙️ Key Features

• Genuine Quicksilver OEM oil seal

• Correct Mercury part number 26-8M0204708

• Supersedes earlier 26-8164641 where specified

• Used in Mercury / MerCruiser seal service locations

• Direct replacement where the diagram lists 26-8M0204708

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 26-8M0204708 → Supersedes 26-8164641

• 26-8164641 earlier OEM oil seal reference

OEM / Related Numbers:

• 26-8M0204708

• 8M0204708

• 268M0204708

• 26-8164641

• 8164641

• Oil seal

• Shaft seal

• Gearcase seal

• Housing seal

Aftermarket / Verified Equivalents:

• Aftermarket oil seal equivalents are available where matched directly to 26-8M0204708 / 26-8164641

• Dimensional and material match required before substituting

• Use exact seal profile where Mercury lists this as a functional supersession

🚤 Compatibility

Commonly used on:

• Mercury outboard seal locations using 26-8164641 / 26-8M0204708

• MerCruiser drive and engine assemblies where 26-8M0204708 is specified

• Gearcase, shaft or housing reseal service

Typically suits:

• Engine / drive models:

• Mercury outboard assemblies where oil seal 26-8164641 is superseded to 26-8M0204708

• Mercury EFI / FourStroke lower-unit or engine assemblies where 26-8M0204708 is shown

• Mercury DFI / OptiMax service assemblies where specified

• MerCruiser assemblies where the parts diagram calls for 26-8M0204708

• Mercury / MerCruiser service diagrams listing 26-8164641 as replaced by 26-8M0204708

• Engine / Drive Type: Mercury / Mariner outboard and MerCruiser assemblies where specified

• System Type: Oil seal / shaft or housing seal

🔌 Function

The seal retains oil or lubricant within the assembly and prevents water, air or debris from entering through the shaft or housing interface.

Common signs of failure:

• Oil leak around seal area

• Milky or water-contaminated lubricant

• Failed pressure or vacuum test

• Seal lip worn, hardened or torn

• Shaft sealing surface grooved

• Replacement required during reseal or rebuild

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging