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Sierra 18-3634 Thermostat Kit for Yamaha Outboard Engines

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-3634
6 reviews
03/13/2036 1:20 AM
Sale Price

$25.54

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Sierra 18-3634 Thermostat Kit is a direct OE replacement thermostat assembly designed for Yamaha high-performance outboard engines. This complete kit includes the thermostat and seal for a reliable, leak-free installation.

Key Features:

  • Direct OE replacement for Yamaha outboard engines
  • Complete kit includes thermostat and seal
  • Maintains optimal engine operating temperature
  • Precision-engineered to meet or exceed OEM specifications
  • Designed for reliable performance in marine environments

Engine Compatibility:

  • 2007-2009 Yamaha F300, LF300, F350, LF350
  • 2010-2011 Yamaha LF350A
  • 2012-2015 Yamaha F350B, LF350B
  • 2016-2018 Yamaha F350C, LF350C

This thermostat kit helps regulate coolant flow to prevent overheating and ensure your Yamaha outboard operates at peak efficiency. Sierra's marine-grade components are built to withstand harsh saltwater conditions and provide long-lasting durability.

Quick & easy. Great prices.

Easy checkout, easy to order.

Easy process, but could use a total and verification of info after shipping is added. Also could use better product photos and description.

parts not as advertised, not Goodyear hoses.

Lowest price for my engine bolt set, beat Jeg's and Summit by quite a bit! I will definitely be checking Autoplicity for future needs.

good price and everything i needed this is the second email ive recieved to rate my order, i dont know what happened but hoping it was a mix up

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