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- Spark plug valve cover gaskets might seem like a small and insignificant component in the grand scheme of a vehicle's mechanics, but they play an essential role in ensuring optimal engine performance. These gaskets, often overlooked, are the unsung heroes that maintain the integrity of your car's internal combustion process.
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DIN




THE DIFFERENCE BETWEEN MECHANICAL SEAL AND OIL SEAL
Oil seals are available in an immense range of sizes, for shafts from a few millimetres to several metres. Once the shaft diameter, groove diameter (housing diameter) and groove width are known, selecting an appropriate oil seal is a simple task. An oil seal or its product description is usually associated with three dimensions, for example 6x15x4. These refer to the sizes of the hardware for which the oil seal is designed. In this example, this oil seal is suitable for: 6-mm shaft diameter x 15-mm groove diameter x 4-mm minimum groove width.


made of a yieldable resilient material having flat sealing faces and comprising two ring portions connected together by an annular portion substantially v-shaped in cross-section which may yield or expand as the mounting requires.



Most ERIKS oil seals, such as the types M, MST, R and RST, are made of NBR as standard.