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Cylinder Head Gasket 319633
Description
Function and Technical Context
The cylinder head gasket is the sealing element located between the engine block and cylinder head, whose function is to hermetically seal the cylinders, coolant passages and oil galleries to ensure proper compression and sealed operation of the outboard engine. It operates directly in the combustion system and in the cooling and lubrication circuits, withstanding continuous cycles of extreme pressure and temperature. If this gasket fails or loses its seal, the engine may suffer loss of compression, water mixing with oil or severe overheating, situations that result in irreversible damage to the cylinder head and block assembly. This component, identified under number 319633 and its equivalent REC319633, is compatible with Johnson and Evinrude engines, as well as with Mercury/Mariner/MerCruiser references 802273 and OMC references 0319633 and 319633.
When to Replace This Component?
The most common symptoms of a worn cylinder head gasket in an outboard engine are: presence of bubbles in the coolant reservoir, white or bluish smoke in the exhaust gases, progressive loss of compression in one or several cylinders, and appearance of whitish emulsion in the crankcase oil. It is recommended to inspect the cylinder head gasket whenever the cylinder head is removed for any reason, after an overheating episode or as part of seasonal major maintenance. Replacing this gasket preventatively at any sign of failure prevents more costly breakdowns and ensures engine reliability during operation.
Compatible Johnson/Evinrude Engines
| Series | Models |
|---|---|
| Otros | 25702H 1977, 25702S 1977, 25703H 1977, 25703S 1977, 25752H 1977, 25752S 1977, 25753H 1977, 25753S 1977, 25802C 1978, 25803C 1978, 25852C 1978, 25853C 1978, 25E77S 1977, 25E78C 1978, 25EL77H 1977, 25EL77S 1977, 25EL78C 1978, 25R77H 1977, 25R77S 1977, 25R78C 1978, 25RL77H 1977, 25RL77S 1977, 25RL78C 1978, 35602G 1976, 35602S 1976, 35603G 1976, 35603S 1976, 35652G 1976, 35652S 1976, 35653G 1976, 35653S 1976, 35702C 1977, 35702H 1977, 35703C 1977, 35703H 1977, 35752C 1977, 35752H 1977, 35753C 1977, 35753H 1977, 35802R 1978, 35803R 1978, 35852R 1978, 35853R 1978, 35E76G 1976, 35E76S 1976, 35E77C 1977, 35E77H 1977, 35E78R 1978, 35EL76G 1976, 35EL76S 1976, 35EL77C 1977, 35EL77H 1977, 35EL78R 1978, 35R76G 1976, 35R76S 1976, 35R77C 1977, 35R77H 1977, 35R78R 1978, 35RL76G 1976, 35RL76S 1976, 35RL77C 1977, 35RL77H 1977, 35RL78R 1978 |
Equivalent Manufacturer References
| Manufacturer/Brand | Reference/Part Number |
|---|---|
| Mercury/Mariner/Mercruiser | 802273 |
| OMC | 0319633, 319633 |
Related Johnson/Evinrude Spare Parts
If you are maintaining or repairing your Johnson/Evinrude engine, these spare parts might also interest you:
- Tornillo con Reten 8M0058389Category: J/E Lower Drive 4-8 HP (1980+)
- Termostato 814554T01 6F5-12411-03Category: Thermostats and Gaskets Johnson Evinrude
- Impulsor Omc 386084Category: J/E Lower Drive 9.9-15 HP (1974+)
- Junta 318925Category: Exhaust Gaskets Johnson Evinrude
- Junta Volvo 3855081Category: J/E Lower Drive 40-75 HP (1975-88)
