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Sierra 18-3609 Marine Thermostat Kit for Yamaha Outboards

Manufacturer

Picture for manufacturer Sierra

Part Number

118-3609
6 reviews
Sale Price

$21.71

4 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 18-3609 is a complete thermostat kit designed for Yamaha outboard engines. This replacement kit includes everything needed for a proper installation, featuring a 122°F (50°C) temperature-rated thermostat and cover gasket to ensure reliable cooling system performance.

Kit Includes:

  • 18-3540 Thermostat
  • 18-0829 Cover Gasket

Key Features:

  • Temperature rating: 122°F / 50°C
  • Engineered to meet or exceed OEM specifications
  • Direct replacement for Yamaha marine engines
  • Premium aftermarket quality built for harsh marine environments

OEM Cross References:

  • Yamaha: 6E5-12411-30-00, 61A-12414-A0-00, 6J8-12414-A0-00
  • Mallory: 9-43038, 9-43178

Sierra marine parts are manufactured to stringent quality standards, providing reliable performance and durability for your Yamaha outboard cooling system.

Great pricing

Thanks

Thanks for the fast delivery

good price

Good selection and price fast delivery.

Didn't get to use it got too cold, Ready to go ice fishing have to try it in the summer.

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