Recmar Yamaha F300 F350 V8 Thermostat 60C 6AW-12411-00
REC6AW-12411-00
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Recmar Yamaha 6AW-12411-00 Thermostat
60°C / 140°F thermostat for selected Yamaha F300 and F350 V8 outboards
RECMAR aftermarket replacement corresponding to Yamaha 6AW-12411-00. This thermostat is associated with selected first-generation Yamaha F300 and F350 V8 outboards; later V6 F300 models use different cooling components.
Key Features
- Aftermarket RECMAR replacement; not genuine Yamaha
- 60°C / 140°F nominal opening temperature
- For selected Yamaha F300/F350 V8 outboards
- Direct replacement for 6AW-12411-00
- Not intended for 4.2L V6 F300 applications unless explicitly listed
- One thermostat supplied
Technical Specs
| Part type | Cooling thermostat |
| Opening temperature | 60°C / 140°F nominal |
| Engine architecture | Selected Yamaha V8 four-stroke outboards |
| Supply | 1 thermostat |
| 4Boats SKU | REC6AW-12411-00 |
Confirmed Compatibility
| Exact engine application | Years / model range |
|---|---|
| Yamaha F300 / LF300, 5.3L V8 FourStroke | 2007–2009 |
| Yamaha F350 / LF350, 5.3L V8 FourStroke | 2007–2009 |
| Yamaha F350A / LF350A | 2010–2011 |
| Yamaha F350B / LF350B | 2012–2015 |
| Yamaha F350C / LF350C | 2016–2018 |
Part Number Cross Reference
| Yamaha OEM | 6AW-12411-00; 6AW-12411-00-00 |
| Sierra | 18-3634 |
| GLM | 13018 |
| RECMAR / 4Boats | REC6AW-12411-00 |
Frequently Asked Questions
Will this fit every Yamaha F300?
No. It is associated with selected V8 F300 models; later 4.2L V6 engines use another thermostat.
Is it genuine Yamaha?
No. It is a RECMAR aftermarket replacement.
How many thermostats are required?
Check the engine diagram because quantity and position vary.
What is the nominal temperature?
60°C / 140°F.
Installation note: Allow the engine to cool, renew any disturbed seal or gasket where required, and follow the engine manufacturer's service procedure. After installation, run the engine and check for leaks and correct cooling-water flow.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
