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