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Cylinder head gasket for Mercury Mariner K 40 and W40 CV engines, and Yamaha E40G, E40J, 40G and 40X. Tight seal in the marine refrigeration circuit that prevents refrigerant leaks and maintains the thermal pressure of the cooling system.
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BOARD 27-11754 REC6F5-41112-A0
REC6F5-41112-A0
€18.28
Tax included
Cylinder head gasket for Mercury Mariner K 40 and W40 CV engines, and Yamaha E40G, E40J, 40G and 40X. Tight seal in the marine refrigeration circuit that prevents refrigerant leaks and maintains the thermal pressure of the cooling system.
Description
Function and technical context
The 27-11754 gasket is an essential sealing element in the cooling circuits of MerCruiser and Yamaha marine engines. This piece acts as a hermetic seal between coupling surfaces in the fluid circulation system, preventing refrigerant leaks and maintaining the internal pressure of the cooling circuit. Its correct installation is decisive to avoid coolant losses, engine overheating and possible damage to cylinders and cylinder head due to insufficient thermal dissipation. Manufactured to Mercury Marine and Yamaha technical specifications, it ensures reliable performance in inboard and outboard propulsion applications.
When to replace this part?
Typical symptoms of deterioration include visible coolant leaks in the crankcase, abnormal increase in engine temperature while cruising, and decreased flow at the cooling outlets. It is recommended to preventively inspect and replace this gasket during seasonal maintenance or when carrying out any intervention that involves dismantling the cooling system. A preventive replacement avoids surprise water breakdowns and costly repairs resulting from overheating.
Engine Compatibility
Mercury/MerCruiser
| Marca | Modelo | Rango de serie |
|---|---|---|
| Mercury Mariner | K 40 H.P. | 6F5-000711 & Up / 6F5-301827 & Up / 6F5K-302372 & Up |
| Mercury Mariner | W40 (W/MARATHON) | 6F6-308308 & Up / 6F6-005206 & Up |
Motores Yamaha Compatibles▾
| Modelo | Años |
|---|---|
| 40G Enduro, Kerosene | 2019 |
| 40X | 2019 |
| E40G | 2003 – 2018 |
| E40G Enduro | 2008 – 2015 |
| E40GMHL | 2021 |
| E40J | 2003 |
| EK40G Enduro, Kerosene | 2018 |
Equivalent manufacturer part numbers
| Manufacturer/Brand | Reference/Part Number |
|---|---|
| Mercury Mariner | A0, 11754, ✓, (actual), 11754M, 27-11754 |
| Yamaha | 6F5-41112-A0, 6F541112A0 |
Product Details
REC6F5-41112-A0
Specific References
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