My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 118-3639 Thermostat for Yamaha F115 LF115 VF115 Outboard

Manufacturer

Picture for manufacturer Sierra

Part Number

118-3639
5 reviews
Sale Price

$32.82

In Stock (5)

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 118-3639 is a high-quality replacement thermostat engineered specifically for Yamaha F115, LF115, and VF115 outboard engines from 2014-2024 model years. This precision-manufactured marine thermostat is designed to meet or exceed OEM specifications, ensuring reliable temperature regulation in harsh marine environments.

Key Features:

  • Direct replacement for Yamaha OEM part number 6EK-12411-00-00
  • Engineered to withstand corrosive saltwater and demanding marine conditions
  • Manufactured to OEM specifications for precise fit and function
  • Ensures proper engine operating temperature for optimal performance and efficiency
  • Quality construction designed for long service life

Proper thermostat function is critical for maintaining correct engine temperature, preventing overheating, and ensuring maximum fuel efficiency. The Sierra 118-3639 delivers reliable performance you can count on for your Yamaha outboard motor.

Exactly what I needed and fast service.

Great, As ordered.

Excellent and easy to order

Very pleased with the purchase and dealing with you / will continue on shopping with y'all

Fast and easy

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy