27-34897 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Circulation Water Pump Gasket - Part Number: 27-34897

Genuine Quicksilver circulation pump gasket used on MerCruiser GM V6 and V8 petrol engines. This gasket seals the engine circulation water pump to the block / timing cover area on selected 4.3L, 5.0L, 5.7L, 350 MAG and 6.2L MerCruiser applications.

⚙️ Key Features

• Genuine Quicksilver OEM circulation pump gasket

• Correct Mercury part number 27-34897

• Used on MerCruiser GM V6 and V8 petrol engines

• Seals circulation water pump mounting face

• Common replacement during water pump, timing cover or cooling-system service

• Cross-references with 34896 / 34897 / FI5000077 / FI5000078 gasket family

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 27-34897 current OEM circulation pump gasket reference

• 34897 short-form gasket reference

• 34896 related earlier / paired gasket reference

• FI5000077 related reference

• FI5000078 related reference

OEM / Related Numbers:

• 27-34897

• 34897

• 34896

• FI5000077

• FI5000078

• Circulation pump gasket

• Water pump gasket

• Engine circulating pump gasket

• 46-8M0113734 related circulation water pump assembly

Aftermarket / Verified Equivalents:

• Recmar: REC27-34897

• Aftermarket MerCruiser circulation pump gasket replacements for 27-34897

• GM marine V6 / V8 circulation pump gasket equivalents where matched to the MerCruiser pump and timing cover

• Use marine-compatible gasket material and correct port shape

🚤 Compatibility

Commonly used on:

• MerCruiser GM V6 circulation pump assemblies

• MerCruiser GM small-block V8 circulation pump assemblies

• Engine cooling-system service on standard and MPI petrol engines

Typically suits:

• Engine models:

• MerCruiser 4.3L GM V6 circulation pump applications

• MerCruiser 4.3L MPI Alpha / Bravo circulation pump applications

• MerCruiser 5.0L GM 305 V8 circulation pump applications

• MerCruiser 5.0L MPI Alpha / Bravo circulation pump applications

• MerCruiser 5.7L GM 350 V8 circulation pump applications

• MerCruiser 5.7L MPI Alpha / Bravo circulation pump applications

• MerCruiser 350 MAG circulation pump applications

• MerCruiser 350 MAG MPI Alpha / Bravo circulation pump applications

• MerCruiser MX 6.2L MPI Bravo circulation pump applications

• MerCruiser Scorpion / Black Scorpion small-block V8 circulation pump applications where 27-34897 is specified

• Engine Type: MerCruiser GM V6 and small-block V8 petrol

• Engine Range: 4.3L, 5.0L, 5.7L / 350 MAG and 6.2L where specified

• System Type: Engine circulation water pump gasket

🔌 Function

The gasket seals the circulation pump mounting face to prevent coolant or raw-water leakage at the pump-to-engine joint.

Common signs of failure:

• Water or coolant leaking from pump mounting face

• Gasket torn during pump removal

• Corrosion around timing cover / pump joint

• Engine overheating after poor pump seal

• Pump replaced and gasket requires renewal

• Old gasket crushed, brittle or not reusable

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging