# 2796429 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part

🔧 Product Description

  

Genuine Quicksilver Exhaust Manifold to Cylinder Head Gasket - Part Number: 27-96429

  

A genuine Quicksilver exhaust manifold gasket used on selected MerCruiser GM 4-cylinder 2.5L and 3.0L petrol engines. This gasket seals the exhaust manifold to the cylinder head, helping prevent exhaust leakage and cooling-water / exhaust system issues around the manifold joint.

  

⚙️ Key Features

  

• Genuine Quicksilver OEM exhaust manifold gasket

• Correct Mercury part number 27-96429

• Used on MerCruiser GM 153 / 181 CID 4-cylinder petrol engines

• Commonly fits 120, 140, 2.5L and 3.0L non-LX applications

• Cross-referenced with common aftermarket MerCruiser exhaust gasket numbers

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 27-96429 current OEM service reference

  

OEM / Related Numbers:

  

• 27-96429

• 96429

• 2796429

  

Aftermarket / Verified Equivalents:

  

• Sierra: 18-1204

• Sierra: 18-1204-1

• GLM: 33570

• Mallory: 9-61419

• Fel-Pro: 17302 related cross-reference

  

🚤 Compatibility

  

Commonly used on:

  

• MerCruiser GM 4-cylinder exhaust manifold to cylinder head sealing applications

  

Typically suits:

  

• Engine models:

• MerCruiser 120, 2.5L GM 153 I/L4 - 1983-1986, serial 6229718 to 0B531853

• MerCruiser 140, 3.0L GM 181 I/L4 - 1983-1986, serial 6229718 to 0B450800

• MerCruiser 2.5L GM 153 I/L4 - 1987-1989, serial 0B531854 to 0C853255

• MerCruiser 3.0L GM 181 I/L4 - 1987-1989, serial 0B450801 to 0C856558

• MerCruiser 3.0L GM 181 I/L4 - 1990-1994, serial 0C856559 to 0F353099

• MerCruiser Chevy 4-cylinder 153 / 181 CID 2.5L / 3.0L non-LX exhaust manifold applications

• OMC / GM 2.5L and 3.0L marine applications where equivalent gasket is specified by catalogue

  

• Engine Type: MerCruiser GM 4-cylinder petrol sterndrive engine

• System Type: Exhaust manifold to cylinder head gasket

• Application Note: Commonly used on non-LX style 2.5L / 3.0L applications; verify against manifold style and serial range

  

🔌 Function

  

The gasket seals exhaust gases between the cylinder head and manifold, helping prevent exhaust leaks, noise and water or combustion residue at the manifold joint.

  

Common signs of failure:

  

• Exhaust leak or ticking noise near manifold

• Black soot marks around gasket joint

• Exhaust fumes in engine compartment

• Water staining or corrosion near manifold face

• Gasket replacement required during manifold service

  

📦 Condition

  

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 35.0 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 35.00 AUD | In stock |

## Images

- 2796429 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](www.sawleysautoandmarine.com.au/products/2796429-mercury-mercruiser-gasket-genuine-quicksilver-oem-part)
> Updated: 2026-05-17