# 268036674 Mercury MerCruiser Seal | Genuine Quicksilver OEM Part

🔧 Product Description

  

Genuine Quicksilver Seal - Part Number: 26-8036674

  

Genuine Quicksilver seal used on Mercury small outboard gear housing and 2-cylinder FourStroke applications. This seal appears in Mercury 8HP, 9.9HP, 15HP, 18HP and 20HP service diagrams where the assembly calls for 26-8036674.

  

⚙️ Key Features

  

• Genuine Quicksilver OEM seal

• Correct Mercury part number 26-8036674

• Used in small Mercury / Mariner outboard service assemblies

• Commonly found on 8HP to 20HP 2-cylinder and 4-stroke applications

• Direct replacement where 26-8036674 is specified

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 26-8036674 current OEM seal reference

  

OEM / Related Numbers:

  

• 26-8036674

• 8036674

• 268036674

• Seal

• Small outboard seal

• Gear housing / engine service seal reference

  

Aftermarket / Verified Equivalents:

  

• Aftermarket seal equivalents may be available by direct 26-8036674 match

• Use exact seal dimension and material match only

• OEM seal recommended where the seal is used in fuel, oil or water-facing service locations

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury / Mariner 8HP and 9.9HP 209cc FourStroke applications

• Mercury / Mariner 9.9HP, 15HP and 18HP 2-cylinder International applications

• Mercury 15HP / 20HP carburetted 2-cylinder FourStroke applications

• Mercury 15 SeaPro 4-stroke International applications

  

Typically suits:

  

• Engine models:

• Mercury 8HP 209cc FourStroke applications where 26-8036674 is specified

• Mercury 9.9HP 209cc FourStroke applications where specified

• Mercury 9.9HP / 15HP / 18HP 2-cylinder International applications where specified

• Mercury 15HP 2-cylinder International applications where specified

• Mercury 15HP / 20HP carburetted 2-cylinder 4-stroke applications where specified

• Mercury 15HP SeaPro 4-stroke International applications where specified

• Mariner 8HP, 9.9HP, 15HP, 18HP and 20HP matching small outboard applications where 26-8036674 is specified

  

• HP Range: commonly 8HP - 20HP where specified

• Engine Type: Mercury / Mariner small outboard, 2-cylinder and FourStroke applications

• System Type: OEM seal / small outboard sealing component

  

🔌 Function

  

The seal prevents leakage through the specified shaft or housing interface and protects the serviced assembly from water, air or fluid intrusion.

  

Common signs of failure:

  

• Fluid or water leakage from seal area

• Seal hardened, cracked or damaged

• Component removed and seal disturbed

• Failed pressure or vacuum test where used in gear housing

• Corrosion or residue around seal seat

• Replacement required during rebuild or reseal

  

📦 Condition

  

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 7.8 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 7.80 AUD | In stock |

## Images

- 268036674 Mercury MerCruiser Seal | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/268036674-mercury-mercruiser-seal-genuine-quicksilver-oem-part)
> Updated: 2026-07-18