Thermostat - Sierra Marine Engine Parts - 18-3541 (118-3541)

A broken thermostat can cause an engine to run at lower temperatures than it should, lowering performance and efficiency. It could be as simple as replacing the thermostat to address the problem. This Sierra thermostat works with a variety of Yamaha outboard motors.

The 18-3541 Thermostat from Sierra is made for Yamaha outboard motors. Mallory 9-43037 and Yamaha 66M-12411-00-00, 66M-12411-01-00, 6G8-12411-00-00, 6G8-12411-01-00, 6G8-12411-02-00, 6G8-12411-03-00 are all interchangeable. It has a temperature rating of 140 degrees Fahrenheit (60 degrees Celsius).

Sierra has earned the trust of engine manufacturers and boat builders by producing parts that are developed to meet or surpass the specifications of marine engine manufacturers. Sierra parts are guaranteed to fit correctly and restore function to OEM specifications for boaters and technicians.

Features:

• The manufacturer's criteria are met or exceeded by the thermostat.
• A temperature of 122°F (50°C) was observed.
• Yamaha outboard engines are compatible.

Specifications:

• Brand: Seastar Solutions
• SKU: 18-3541
• UPC: 808282265526
• Weight: 0.07 LBS

Temperature Rating: 140°F / 60°C

This product replaces:

66M-12411-01-00, 66M-12411-01, 47-3541, 808282265526, 9-43037, 9-43036