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

🚤 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

🔄 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

📦 Condition

• Genuine Quicksilver part
• Brand new
• Supplied in original or equivalent packaging