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Sierra 118-3641 Replacement Thermostat for Yamaha Outboard Engines

Manufacturer

Picture for manufacturer Sierra

Part Number

118-3641
7 reviews
Sale Price

$39.93

3 left at this price

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 118-3641 is a high-quality aftermarket replacement thermostat engineered for select Yamaha four-stroke outboard motors. Designed as a direct drop-in replacement, this thermostat helps regulate engine operating temperature to ensure proper warm-up cycles and efficient, reliable performance on the water.

Key Features:

  • Direct aftermarket replacement for Yamaha outboard thermostats
  • Engineered to meet or exceed OEM specifications
  • Replaces Yamaha OEM part number 6FP-12411-00-00
  • Built to withstand harsh marine operating environments
  • Ensures proper engine temperature regulation for optimal performance and longevity

Compatible Yamaha Outboard Models:

  • F75B (2017–2022)
  • F90B (2016–2022)
  • VF90A (2018–2022)

Sierra is a trusted name in marine aftermarket parts, offering premium-quality replacements across thousands of marine components. The 118-3641 thermostat is a reliable, cost-effective solution for maintaining your Yamaha outboard's cooling system.

Had everything I needed

Really quick and cheapest price

The best ability is "Availability". Thanks for having what I needed in stock.

so far so good , at least it seems that you have the item in stock. I'm crossing my fingers that doesn't change.

great fast easy to navigate cheap 2 day shipping

Quality product and fast delivery thanks again!

Great price and fast shipping. I will order from them again

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