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Sierra 18-3561 Thermostat 143 Degree for Johnson Evinrude Outboard

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-3561
10 reviews
04/21/2036 11:25 PM
Sale Price

$14.93

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Sierra 18-3561 is a 143-degree Fahrenheit marine thermostat designed as a direct replacement for Johnson and Evinrude outboard motors. This aftermarket cooling system component replaces OEM part number 436195 and ensures proper engine temperature regulation for reliable marine engine performance.

Key Features:

  • 143°F temperature rating for optimal engine cooling
  • Engineered to meet or exceed original equipment specifications
  • Direct replacement for BRP/OMC 436195
  • Compatible with various Johnson/Evinrude outboard models including 9.9-15 HP Big Bore, 40-50 HP, 3-cylinder, and 90° V4 configurations
  • Precision-manufactured for reliable operation in harsh marine environments

Cross-Reference Numbers: Replaces Evinrude/Johnson 436195, Mallory 9-43023, GLM 13150, and Recmar REC878904. Sierra part number 18-3561 provides a cost-effective alternative to OEM parts while maintaining quality and performance standards.

This thermostat is an essential maintenance component for keeping your outboard motor running at the correct operating temperature, preventing overheating and ensuring optimal engine performance on the water.

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Quick and fast!

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Excellent service and fast shipping. A seller I would do business with again.

Quick

The lowest price I could find online, as well as having a very fast shipping speed

Easy to order and great price.

proof is in the pudding

The listing seemed clear and informative. So far so good ;)

I ordered a rear sway bar for my MINI Cooper on Sunday and it was at my door on Wednesday! Autoplicity had the absolute cheapest price for this bar and I was very impressed with the shipping speed. I would definitely recommend them to my friends!

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