High-performance thermostat for Yamaha outboard engines.
Sierra Marine Thermostat is designed specifically for Yamaha outboard engines, ensuring reliable temperature regulation in demanding marine environments. Engineered to withstand temperatures up to 140 degrees Fahrenheit, this thermostat provides accurate fit and function, contributing to the overall performance of your marine engine. Sierra Marine products are known for their high-quality materials and precision engineering, making them a trusted choice for marine applications. With over 50 years of experience, Sierra Marine continues to deliver parts that meet or exceed original equipment specifications, ensuring durability and reliability on the water.
Features
- Withstand The Temperature Of 140 Degree Fahrenheit
- Exact Replacements Made Of The High Quality Materials
- Provides Accurate Fit And Function For Reliable Performance
- All Marine Products Both Meet Or Exceed The Original Equipment Part It Replaces
Specifications
- Manufacturer: Sierra Marine
- Manufacturer Part Number: 18-3541
- Temperature Rating (F): 140 Degree Fahrenheit
- Includes Gasket: No
- Estimated Install Time (Hours): 1
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
Skip to content

