0301917 Evinrude Johnson O-ring | Genuine OEM BRP Outboard Part

🔧 Product Description

Genuine BRP Multipurpose Thermostat and Gearcase O-Ring - Part Number: 0301917

A genuine BRP O-ring used in several sealing locations across Evinrude and Johnson outboards, including thermostat covers, small-engine gearcase bearing housings, pivot tubes and selected oil-system fittings.

On later high-horsepower E-TEC engines it is primarily used around the thermostat cover. On earlier small outboards it may be installed in the lower-unit bearing housing or midsection pivot-tube assembly.

⚙️ Key Features

• Genuine BRP OEM multipurpose O-ring
• Correct OMC part number 0301917
• Later BRP reference 0765613
• Used in thermostat, gearcase, pivot-tube and oil-system locations
• Broad application coverage from small vintage engines to V6 E-TEC outboards

🚤 Compatibility

Commonly used on

• Evinrude and Johnson thermostat-cover assemblies
• Small-outboard gearcase bearing housings
• Midsection pivot-tube assemblies
• Remote oil-fill and oil-system sealing locations

Typically suits

• Engine models:
• Evinrude / Johnson 3HP weedless-drive gearcases
• Evinrude / Johnson 4HP weedless-drive gearcases
• Evinrude / Johnson 9.9HP thermostat and midsection applications
• Evinrude / Johnson 15HP thermostat and pivot-tube applications
• Evinrude / Johnson 20HP and 25HP midsection applications
• Evinrude / Johnson 30HP and 35HP thermostat or pivot-tube applications
• Evinrude E-TEC 200HP 90-degree V6 thermostat covers
• Evinrude E-TEC 225HP 90-degree V6 thermostat covers
• Evinrude E-TEC 250HP 90-degree V6 thermostat covers
• Evinrude E-TEC 300HP 90-degree V6 thermostat covers
• Additional engines whose individual diagram specifies 0301917 or 0765613
• HP Range: 3HP - 300HP, location dependent
• Engine Type: Evinrude / Johnson two-stroke and E-TEC outboard
• Year Range: Approximately 1965 onward, dependent on the sealing location

🔌 Function

The O-ring seals the clearance between two mating components. Depending on its installation, it prevents cooling-water leakage, gear-lubricant leakage, oil leakage or water entry.

⚠️ Common Signs of Failure

• Water leaking around a thermostat cover
• Milky or contaminated gear lubricant
• Oil seepage around the installed fitting
• O-ring hardened, flattened or cracked
• Engine overheats after thermostat service
• Gearcase fails pressure or vacuum testing

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 0765613 → Supersedes 0301917
• 0301917 original OMC O-ring reference

OEM / Related Numbers

• 0765613
• 765613
• 0301917
• 301917
• 0321446
• 321446

Aftermarket / Verified Equivalents

• WSM: 525-14
• WSM: 80-14
• GLM: 82220
• MarinePro: 301917
• Offshore Marine Parts: 123-1222

📦 Condition

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