8M0204692 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Oil Drain / Sump Plug Gasket - Part Number: 27-8M0204692

A genuine Quicksilver drain plug gasket used in selected Mercury FourStroke outboard sump / oil drain applications. This gasket seals the drain plug to prevent oil leakage after engine oil service and is commonly supplied in Mercury maintenance kits for 75HP to 115HP EFI 1.7L FourStroke models.

⚙️ Key Features

• Genuine Quicksilver OEM drain plug gasket

• Correct Mercury part number 27-8M0204692

• Supersedes earlier 27-828816 drain plug gasket reference

• Used on Mercury 75HP to 115HP EFI 1.7L FourStroke service applications

• Important replacement seal during oil drain plug removal

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 27-8M0204692 → Supersedes 27-828816

• 27-828816 earlier OEM drain plug gasket reference

OEM / Related Numbers:

• 27-8M0204692

• 8M0204692

• 27-828816

• 828816

• 8288181 related drain plug

• 12-191833 related gear lube drain screw seal

• 12-19183 related drain screw seal family

Aftermarket / Verified Equivalents:

• Sierra: 18-0657 related drain plug gasket reference

🚤 Compatibility

Commonly used on:

• Mercury 75HP to 115HP EFI 1.7L FourStroke oil drain / sump plug applications

Typically suits:

• Engine models:

• Mercury 75HP EFI FourStroke - serial 1B366823 to 2B094995

• Mercury 80HP EFI FourStroke - serial 1B366823 to 2B094995

• Mercury 90HP EFI FourStroke - serial 1B366823 to 2B094995

• Mercury 100HP EFI FourStroke - serial 1B366823 to 2B094995

• Mercury 115HP EFI FourStroke - serial 1B366823 to 2B094995

• Mercury 75HP / 80HP / 90HP / 100HP / 115HP EFI 1.7L FourStroke 100-hour and 300-hour maintenance kit applications where 27-8M0204692 is supplied

• Mercury 1.7L EFI FourStroke adaptor plate / oil drain plug assemblies using drain plug 8288181 and gasket 27-8M0204692

• HP Range: 75HP - 115HP

• Engine Type: Mercury EFI 1.7L FourStroke outboard

• System Type: Engine oil drain plug / sump gasket

🔌 Function

The gasket seals the oil drain plug after service, preventing engine oil seepage from the sump / drain plug area.

Common signs of failure:

• Oil seepage around drain plug

• Flattened, split or hardened gasket

• Drip after oil change despite correct plug torque

• Damaged seal during oil service

• Gasket missing from maintenance kit or drain plug assembly

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging