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Sierra 18-3631 Thermostat with Housing for Mercury Marine Engines

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-3631
9 reviews
04/21/2036 6:31 AM
Sale Price

$146.80

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Sierra 18-3631 thermostat with housing is a direct replacement cooling system component designed for Mercury Marine engines. This complete assembly includes both the thermostat and housing unit for convenient installation.

Key Specifications:

  • Operating temperature: 144°F (62°C)
  • Includes integrated thermostat housing
  • Direct replacement for Mercury Marine applications
  • Complete assembly for simplified installation

This thermostat assembly helps maintain optimal engine operating temperature by regulating coolant flow through the engine block. The 144-degree opening temperature is engineered to match OEM specifications for proper engine performance and longevity. The integrated housing design eliminates the need to purchase components separately and ensures proper fitment.

Could not be any more simple! Good price. Thanks

Reasonable part price, shipping a little over priced.

Great price. Easy transaction.good shipping price.

Why no PayPal checkout? So far I'm happy, now get the shocks here as soon as you can! Thank you.

Quick and easy ordering experience!

Great products and great pricing. Fast shipping. Couldn't ask for anything more. A++++++ merchant. Hope to do business with again.

I need this for tomorrow. Thanks!

Pretty nice online store would do business again

This website purchase was by far the easiest when ordering auto parts. Most websites make you retype you make, model, and year over and over.

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