# 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

## Details

- **Price:** 4.95 AUD
- **Vendor:** Sawley's Auto and Marine
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4.95 AUD | In stock |

## Images

- 27-34897 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part
- 27-34897 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part
- 27-34897 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/27-34897-gasket)
> Updated: 2026-07-05