27815528 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Exhaust Manifold Gasket - Part Number: 27-815528

A genuine Quicksilver exhaust manifold gasket for MerCruiser 3.0L GM 181 CID inline 4-cylinder engines. This gasket seals the exhaust manifold to the cylinder head and is used during manifold removal, replacement or exhaust leak repair.

⚙️ Key Features

• Genuine Quicksilver OEM exhaust manifold gasket

• Correct Mercury part number 27-815528

• Fits MerCruiser 3.0L and 3.0LX GM 181 CID applications where specified

• Cross-referenced with Sierra, GLM and Recmar gasket equivalents

• Important replacement gasket during exhaust manifold service

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 27-815528 current OEM service reference

OEM / Related Numbers:

• 27-815528

• 815528

• 27815528

Aftermarket / Verified Equivalents:

• Sierra: 18-0680

• GLM: 33580

• Recmar: REC27-815528

🚤 Compatibility

Commonly used on:

• MerCruiser 3.0L / 3.0LX GM 181 CID exhaust manifold gasket applications

• MerCruiser 3.0L sterndrive and inboard exhaust systems where 27-815528 is specified

Typically suits:

• Engine models:

• MerCruiser 3.0L GM 181 I/L4 - 1990-1994, serial 0C856559 to 0F353099

• MerCruiser 3.0L GM 181 I/L4 - 1998, serial 0L010042 to 0L096999

• MerCruiser 3.0L GM 181 I/L4 - serial 0L097000 to 0W301999

• MerCruiser 3.0L GM 181 I/L4 - serial 0W302000 to 1A0019999

• MerCruiser 3.0L GM 181 I/L4 - serial 1A002000 to 1A020543

• MerCruiser 3.0L GM 181 I/L4 - serial 1A020544 and up

• MerCruiser 3.0L MPI EC - serial 1A072812 and up

• MerCruiser 3.0LX GM 181 I/L4 - 1990-1995, serial 0C856559 to 0F603999

• MerCruiser 3.0LX GM 181 I/L4 - 1996-1997, serial 0F604000 to 0K999999

• MerCruiser 3.0L TKS Plus - serial 1G404114 and up

• Engine Type: MerCruiser GM 181 CID inline 4-cylinder petrol engine

• Litre Range: 3.0L

• System Type: Exhaust manifold to cylinder head gasket

🔌 Function

The exhaust manifold gasket seals the exhaust manifold to the cylinder head, preventing exhaust gas leakage and maintaining correct exhaust routing through the manifold and riser system.

Common signs of failure:

• Exhaust ticking or blowing noise

• Soot marks around manifold ports

• Exhaust fumes in engine bay

• Rust staining at gasket edge

• Gasket replacement required during manifold removal

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging