Keep your Yamaha outboard running at the correct operating temperature with this high-quality aftermarket Yamaha thermostat. Designed as a direct replacement for multiple genuine Yamaha part numbers, this thermostat delivers reliable engine cooling performance at an excellent price.
66M-12411-00
6G8-12411-00
6G8-12411-01
6G8-12411-02
6G8-12411-03
This aftermarket thermostat is built to meet OEM specifications, ensuring proper engine warming, temperature stability, and efficient fuel performance.
| Yamaha Series | Compatible Models |
|---|---|
| F4 Series | F4AMH (1998–09), F4BMH (2010–17), F4LMH (2018+), F4SMH (2018+) |
| F5 Series | F5AMH (2010–17), F5LMH (2018+), F5SMH (2018+) |
| F6 Series | F6CMH (2010–17), F6LMH (2018+), F6SMH (2018+) |
| F8 Series | F8CMH (2001–14), F8FMH (2015–17), F8LMH (2018+), F8SMH (2018+) |
| F9.9 & T9.9 Series | F9.9FMH (2008–12), F9.9JMH (2013–17), F9.9LMH (2018+), F9.9SMG (2018+), FT9.9DE (2001–08), FT9.9GE (2008–12), FT9.9LE (2013–17), T9.9LP / T9.9XP (2018+) |
| F15 Series | F15AMH (1998–07) |
| F25 & T25 Series | F25AEHT, F25EAET, F25AMH (1998–09), F25DEHT, F25DET, F25DMH (2009–17), FT25BET (2000–09), FT25FET (2009–17), T25L / T25X (2018+) |
| F30 Series | F30AET, F30AMHD, F30AEHT (2001–09), F30BEHT, F30BET (2009–14), F30L, F30LEH, F30LH (2015+) |
| F40 Series | F40BET, F40BMHD, F40BWHT (2000–09), F40FEHD, F40FEHT, F40FET (2009–14), F40L, F40LEH, F40LH (2015+), F40S (2017+) |
| F50 & T50 Series | F50AEHT, F50AET (1997–06), F50FEHT, F50FET (2005–12), F50HEHT, F50HET (2013–14), F50L, F50LH (2015+), FT50BET (1999–06), FT50GET (2005–07), T50L (2015+) |
| F60 & T60 Series | F60AEHT, F60AET (2002–06), F60CEHT, F60CET (2005–12), F60FEHT, F60FET (2013–14), F60L, F60LH (2015+), FT60BET (2003–07), FT60DET (2005–12), FT60GET (2013–14), T60L / T60X (2015+) |
| F70 Series | F70AET (2011–14), F70L (2015+), F70X (2015+) |
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