0436195 Evinrude Johnson Thermostat | Genuine OEM BRP Outboard Part

🔧 Product Description

Genuine BRP Evinrude Johnson 143°F Cooling Thermostat - Part Number: 0436195

A genuine BRP 143°F thermostat used across selected small, midrange and high-horsepower Evinrude and Johnson outboard cooling systems.

The thermostat controls cooling-water flow according to engine temperature, allowing a controlled warm-up before opening to maintain the correct operating range.

⚙️ Key Features

• Genuine BRP Evinrude Johnson OEM thermostat
• Correct OEM part number 0436195
• Common unprefixed number 436195
• Approximately 143°F / 62°C rating
• Used across several two-stroke and four-stroke engine families
• Sierra replacement available

🚤 Compatibility

Used on selected

• 5HP and 6HP engines
• 8HP, 9.9HP and 15HP engines
• 25HP, 30HP and 35HP engines
• 40HP, 48HP, 50HP, 55HP, 60HP and 70HP engines
• 90-degree V4 90HP-140HP applications
• Loop-charged 120HP-140HP engines
• Selected 250HP and 300HP E-TEC cooling systems where 0436195 is specified

Important fitment note

• The broad horsepower range does not mean universal interchangeability.
• Confirm 0436195 in the exact engine diagram.
• Some engines use thermostat 0435491 instead.
• The sealing grommet and thermostat cover must match the engine design.

🔌 Function

The thermostat maintains a controlled engine temperature by opening and closing the cooling-water passage.

Installation considerations

• Test the thermostat in heated water where required
• Confirm opening temperature
• Replace the sealing grommet
• Clean the thermostat cavity
• Inspect the pressure-relief components
• Install in the correct direction
• Verify water flow and engine temperature after repair

⚠️ Common Signs of Failure

• Engine overheats
• Engine remains too cold
• Poor idle quality after extended running
• Thermostat is stuck with salt deposits
• Thermostat frame is corroded
• Rubber sealing surface is damaged
• Temperature warning activates
• Cooling-water discharge changes unexpectedly

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 0436195
• 436195
• OEM Description: Thermostat, 143 Degrees
• Alternate Description: Thermostat Assembly
• Temperature Rating: Approximately 143°F / 62°C

Aftermarket / Verified Equivalents

• Sierra: 18-3561
• Aftermarket 62°C / 143°F thermostat replacing 0436195
• Generic thermostat cross-referenced to 436195

📦 Condition

• Genuine BRP Evinrude Johnson OEM part
• Brand new
• Supplied in genuine or equivalent protective packaging