# 0324678 Evinrude Johnson O-Ring | Genuine OEM BRP Outboard Part

🔧 Product Description

  

Genuine BRP Lower Valve Core O-Ring - Part Number: 0324678

  

A genuine BRP small O-ring used around the lower valve core or throttle-cam roller sleeve on selected Evinrude and Johnson outboards.

  

Depending on the engine assembly, the O-ring seals the lower valve core against fuel or air leakage or retains the throttle roller sleeve in its correct operating position.

  

⚙️ Key Features

  

• Genuine BRP OEM valve-core O-ring

• Correct OMC part number 0324678

• Later BRP reference 0765566

• Used in carburettor, valve and throttle-linkage assemblies

• GLM and aftermarket replacement references available

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 0765566 → Supersedes 0324678

• 0324678 original OMC O-ring reference

  

OEM / Related Numbers:

  

• 0324678

• 324678

• 0765566

• 765566

  

Aftermarket / Verified Equivalents:

  

• GLM: 80002

• Offshore Marine Parts: 6113678

  

🚤 Compatibility

  

Commonly used on:

  

• Evinrude and Johnson lower valve-core assemblies

• Carburettor and primer-valve systems

• Throttle cam roller and sleeve assemblies

  

Typically suits:

  

• Engine models:

• Evinrude / Johnson 40HP carburetted outboards

• Evinrude / Johnson 45HP through 75HP outboards

• Evinrude / Johnson 85HP through 140HP V4 outboards

• Evinrude / Johnson 150HP through 235HP V6 outboards

• Evinrude / Johnson 250HP through 300HP engines whose valve or throttle diagram specifies 0324678

  

• HP Range: Approximately 40HP - 300HP

• Engine Type: Evinrude / Johnson carburetted and selected direct-injection outboard

• Year Range: Model and component controlled

  

🔌 Function

  

The O-ring seals or retains the lower valve core or throttle roller sleeve, helping maintain correct fuel-metering, primer or throttle-linkage operation.

  

Common signs of failure:

  

• Fuel seepage around the valve core

• Air entering the fuel or primer circuit

• Throttle roller sleeve becomes loose

• Poor cold starting or unstable idle

• O-ring swollen, flattened, cracked or missing

  

📦 Condition

  

• Genuine BRP part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 7.29 AUD
- **Vendor:** BRP (Evinrude/Johnson)
- **Tags:** Evinrude Johnson Outboard Parts | BRP Marine Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 7.29 AUD | In stock |

## Images

- 0324678 Evinrude Johnson O-Ring | Genuine OEM BRP Outboard Part
- 0324678 Evinrude Johnson O-Ring | Genuine OEM BRP Outboard Part
- 0324678 Evinrude Johnson O-Ring | Genuine OEM BRP Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/0324678-o-ring)
> Updated: 2026-07-11