0336947 Evinrude Johnson Seal Cover Thermostat | Genuine OEM BRP Outboard Part

🔧 Product Description

Genuine BRP Evinrude Johnson Thermostat Cover Seal - Part Number: 0336947

A genuine BRP moulded rubber seal used beneath the thermostat cover on selected 5HP to 15HP two-cylinder outboards.

The seal closes the thermostat-cover joint and directs cooling water through the thermostat and cylinder-head passages without external leakage or uncontrolled bypass.

⚙️ Key Features

• Genuine BRP Evinrude Johnson OEM thermostat-cover seal
• Correct BRP part number 0336947
• Moulded rubber cooling-system seal
• Designed for selected 5HP to 15HP two-cylinder outboards
• WSM and Recmar replacements available

🚤 Compatibility

Commonly used on

• Evinrude Johnson small two-cylinder thermostat-cover assemblies

Typically suits

• Engine models:
• Evinrude and Johnson 5HP two-stroke
• Evinrude and Johnson 6HP two-stroke
• Evinrude and Johnson 8HP two-stroke
• Evinrude and Johnson 9.9HP two-stroke
• Evinrude and Johnson 10HP two-stroke
• Evinrude and Johnson 15HP two-stroke
• Selected 15HP two-cylinder 2.375-inch-bore crossflow models
• HP Range: 5HP - 15HP
• Engine Type: Evinrude Johnson two-cylinder carburetted two-stroke outboard
• Year Range: Approximately 1991 - 2007, dependent on thermostat-cover design

🔌 Function

The seal prevents cooling water from escaping around the thermostat cover and stops water from bypassing the thermostat.

⚠️ Common Signs of Failure

• Water leaks around the thermostat cover
• Salt deposits form at the cover joint
• Engine runs too cold because water bypasses the thermostat
• Engine overheats because the seal is distorted
• Seal becomes hard, cracked, swollen or flattened
• Cover does not reseal after thermostat replacement

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 0766474 related BRP service reference
• 0336947 original thermostat-cover seal reference

OEM / Related Numbers

• 0336947
• 336947
• 0766474
• 766474
• Related thermostat, thermostat cover, spring and cooling-water components

Aftermarket / Verified Equivalents

• WSM: 515-21-02
• Recmar: REC336947
• Rareelectrical direct replacement: 0336947 / 0766474
• Direct thermostat-cover seal: 336947

📦 Condition

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