Quicksilver thermostat 8M6013863 is engineered to meet all original equipment manufacturer specifications for select Yamaha 2-cycle outboards. Proper engine cooling regulation is critical for protecting engine internals and ensuring peak fuel efficiency. Quicksilver parts are backed by over 65 years of marine industry leadership, providing performance, protection, and peace of mind.
- For use on select 25-200hp Yamaha 3-cylinder, V4 and V6 2-cycle outboards
- Designed to meet all OEM specifications for a precise fit
- Ensures proper engine operating temperature for peak efficiency
- Replacement for Yamaha 688-12411-00-00 and 6E5-12411-30-00
- Thermostat only (hardware and gaskets sold separately)