2799757 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Exhaust Manifold Gasket - Part Number: 27-99757

A genuine Quicksilver exhaust manifold gasket for MerCruiser GM V6 4.3L / 262 CID petrol engines. This gasket seals the exhaust manifold to the cylinder head and is used across many MerCruiser V6 centre-riser exhaust applications.

⚙️ Key Features

• Genuine Quicksilver OEM gasket

• Correct Mercury part number 27-99757

• Exhaust manifold to cylinder head gasket

• Used on MerCruiser GM 229 / 262 CID V6 petrol engines

• Superseded by later Mercury service reference 27-8M0215011

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 27-8M0215011 → Supersedes 27-99757

• 27-99757 earlier OEM exhaust manifold gasket reference

OEM / Related Numbers:

• 27-99757

• 99757

• 2799757

• 27-8M0215011

• 8M0215011

Aftermarket / Verified Equivalents:

• Sierra: 18-2909

• GLM: 32170

• Mallory: 9-61421

• Mallory: 9-61425

• Volvo Penta / OMC cross-reference applications: 3852468 / 3853412 where specified

🚤 Compatibility

Commonly used on:

• MerCruiser GM V6 4.3L / 262 CID exhaust manifold applications

• Centre-riser V6 MerCruiser exhaust systems

Typically suits:

• Engine models:

• MerCruiser 185 229 CID V6 - 1983-1984, serial 6330183 to 6919655

• MerCruiser 175 262 CID V6 - 1987, serial 0B527955 to 0B773242

• MerCruiser 185 262 CID V6 2BBL - 1985-1986, serial 0A331455 to 0B527954

• MerCruiser 205 262 CID V6 - 1985-1986, serial 0A331455 to 0B527954

• MerCruiser 262 MAG EFI Gen+ V6 - 1996-1997, serial 0F803800 to 0K999999

• MerCruiser 4.3L V6 - 1988-1992, serial 0B773243 to 0D714106

• MerCruiser 4.3L Gen II V6 - 1992-1993, serial 0D714107 to 0F000877

• MerCruiser 4.3L Gen II V6 - 1993-1995, serial 0F000878 to 0F601126

• MerCruiser 4.3L Gen II V6 - 1996, serial 0F601127 to 0F802999

• MerCruiser 4.3L Gen+ V6 - 1998 and newer, serial 0L010044 and up

• MerCruiser 4.3L EFI Gen+ V6 - 1998-2001, serial 0L012009 to 0M299999

• MerCruiser 4.3L MPI V6 - 2001 and newer, serial 0M300000 and up

• MerCruiser 4.3LH Gen+ V6 - 1998-2002, serial 0L010044 to 0M614999

• MerCruiser 4.3LX V6 - 1988-1991, serial 0B775130 to 0D714369

• MerCruiser 4.3LX Gen II V6 - 1992-1993, serial 0D714370 to 0F001219

• MerCruiser 4.3LX Gen II V6 - 1993-1995, serial 0F001220 to 0F601126

• MerCruiser 4.3LX Gen II V6 - 1996, serial 0F601127 to 0F802999

• MerCruiser 4.3LX Gen+ V6 - 1996-1997, serial 0F803000 to 0K999999

• MerCruiser 4.3LXH Gen+ V6 - 1996-1997, serial 0F803114 to 0K999999

• Engine Type: MerCruiser GM V6 petrol sterndrive / inboard

• System Type: Exhaust manifold to cylinder head gasket

🔌 Function

The gasket seals the exhaust manifold to the cylinder head, preventing exhaust leakage and maintaining proper exhaust routing from the combustion chambers into the manifold.

Common signs of failure:

• Exhaust ticking or leaking noise

• Black soot marks around manifold joint

• Exhaust fumes in engine bay

• Rust staining or gasket blowout

• Replacement required during manifold removal

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging