Sierra's 18-3540 Thermostat is designed for use in Yamaha outboard applications. It is interchangeable with Mallory 9-43035, Yamaha Outboard 688-12411-00-00, 688-12411-01-00, 688-12411-10-00, 688-12411-11-00, 6E5-12411-10-00, 6E5-12411-20-00, and 6E5-12411-30-00. Temperature Rating: 122°F / 50°C. Note: Will not fit 3.1L. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use in Yamaha outboard applications
Interchangeable with Mallory 9-43035, Yamaha Outboard 688-12411-00-00, 688-12411-01-00, 688-12411-10-00, 688-12411-11-00, 6E5-12411-10-00, 6E5-12411-20-00, and 6E5-12411-30-00
Temperature Rating: 122°F / 50°C
Note: Will not fit 3.1L
Each Sierra product meets or exceeds the original equipment part it replaces
Designed for use in Yamaha outboard applications
Interchangeable with Mallory 9-43035, Yamaha Outboard 688-12411-00-00, 688-12411-01-00, 688-12411-10-00, 688-12411-11-00, 6E5-12411-10-00, 6E5-12411-20-00, and 6E5-12411-30-00
Temperature Rating: 122°F / 50°C
Note: Will not fit 3.1L
Each Sierra product meets or exceeds the original equipment part it replaces