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

🚤 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

🔄 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

📦 Condition

• Genuine BRP part
• Brand new
• Supplied in original or equivalent packaging