# 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

  

🔄 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

  

🚤 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.

  

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

  

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

  

📦 Condition

  

• Genuine BRP Evinrude Johnson OEM part

• Brand new

• Supplied in genuine or equivalent protective packaging

## Details

- **Price:** 32.52 AUD
- **Vendor:** BRP (Evinrude/Johnson)
- **Tags:** Evinrude Johnson Outboard Parts | BRP Marine Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 32.52 AUD | In stock |

## Images

- 0436195 Evinrude Johnson Thermostat | Genuine OEM BRP Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/0436195-thermostat)
> Updated: 2026-07-12