# 430068 Mercury MerCruiser 27430068 Gasket | Genuine Quicksilver OEM Part

🔧 Product Description

  

Genuine Quicksilver Thermostat / Water Cover Gasket - Part Number: 27-430068

  

A genuine Quicksilver gasket used in selected Mercury and Mariner 3-cylinder and 4-cylinder outboard cooling system assemblies. This gasket seals the thermostat or water cover area, helping maintain correct cooling system pressure and prevent water leakage around the cover joint.

  

⚙️ Key Features

  

• Genuine Quicksilver OEM gasket

• Correct Mercury part number 27-430068

• Used in selected 65 Jet, 75HP, 90HP, 100HP, 115HP, 125HP and 80 Jet applications

• Supersedes multiple earlier 27-43006-series gasket references

• Helps seal cooling system cover and thermostat housing areas

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 27-430068 → Supersedes 27-430067

• 27-430068 → Supersedes 27-430066

• 27-430068 → Supersedes 27-430065

• 27-430068 → Supersedes 27-430063

• 27-430068 → Supersedes 27-430062

• 27-430068 → Supersedes 27-430061

  

OEM / Related Numbers:

  

• 27-430068

• 430068

• 27430068

• 27-430067

• 27-430066

• 27-430065

• 27-430063

• 27-430062

• 27-430061

• 27-43006-8

• 27-13461A99

• 27-43004A99

  

Aftermarket / Verified Equivalents:

  

• Recmar: REC27-430068

• No additional aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury / Mariner 3-cylinder and 4-cylinder outboard cooling system gasket applications

  

Typically suits:

  

• Engine models:

• Mercury / Mariner 65 Jet 3-cylinder cooling system gasket applications

• Mercury / Mariner 75HP 3-cylinder cooling system gasket applications

• Mercury / Mariner 90HP 3-cylinder cooling system gasket applications

• Mercury / Mariner 100HP 4-cylinder cooling system gasket applications

• Mercury / Mariner 115HP 4-cylinder cooling system gasket applications

• Mercury / Mariner 125HP 4-cylinder cooling system gasket applications

• Mercury / Mariner 80 Jet 4-cylinder cooling system gasket applications

• Mercury / Mariner 75 / 90HP 65 Jet 3-cylinder thermostat / water cover gasket applications

• Mercury / Mariner 100 / 115 / 125HP 80 Jet 4-cylinder thermostat / water cover gasket applications

• Mercury / Mariner 115 / 125HP 80 Jet 4-cylinder thermostat / water cover gasket applications

  

• HP Range: 65 Jet, 75HP, 90HP, 100HP, 115HP, 125HP and 80 Jet

• Engine Type: Mercury / Mariner 3-cylinder and 4-cylinder outboard

• System Type: Cooling system gasket / thermostat or water cover seal

  

🔌 Function

  

The gasket seals the cooling system cover joint to help prevent water leakage and maintain correct cooling water flow through the engine.

  

Common signs of failure:

  

• Water leakage around the thermostat or cover area

• Salt build-up around the gasket joint

• Cooling water pressure loss

• Overheating from poor sealing or air leaks

• Torn, flattened or brittle gasket during cover removal

  

📦 Condition

  

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 17.75 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 17.75 AUD | In stock |

## Images

- 430068 Mercury MerCruiser 27430068 Gasket | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](www.sawleysautoandmarine.com.au/products/430068-mercury-mercruiser-27430068-gasket-genuine-quicksilver-oem-part)
> Updated: 2026-05-17