Rotary Wheel Of Auto Parts
Note: For seal type codes, see Table 2.
Selecting Quality Silicone and Rubber Gaskets


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.
Lubricants applied between moving and stationary elements of mechanical equipment help to prevent damage. But when the equipment are under high pressure, the lubricants tend to escape, hence the need for oil seals to prevent the clashing of dry parts. Practically all mechanical equipment, including car engines, assembly machines, and PTFE machined parts use these oil seals to prevent harmful interaction that can result in damaged parts.
In conclusion, the spark plug wholesale market and manufacturing industry in China offer a wide range of options for distributors, retailers, and automotive service providers. Understanding the importance of spark plugs and wires, as well as the emphasis on manufacturing quality and environmental compliance, can guide informed decision-making for businesses and organizations seeking reliable spark plug solutions.