- Environmental Factors: Consider external factors such as exposure to dirt, water, and other contaminants, temperature fluctuations, chemical exposure, and shaft speed. For example, oil seals that must withstand high-speed rotational motion, high-pressure conditions, or extreme temperatures require more durable and resilient materials.
- A malfunctioning oil seal can lead to severe consequences. Oil leaks can cause engine damage due to inadequate lubrication, increased fuel consumption, and environmental pollution. On the other hand, a high-quality oil seal like the 20x35x7 ensures reliable sealing, reduces maintenance costs, and enhances overall vehicle efficiency.
There are several materials used to manufacture oil seals. They are discussed below.
-20 °C to + 130 °C
Fitting an oil seal
④ - Oil tank gaskets are typically made from a durable material such as rubber or cork, which is designed to withstand the high temperatures and pressures that are common in oil tank systems. These gaskets are placed between the tank and the various components of the system, such as the fuel line and the oil filter, to create a tight seal that prevents oil from escaping.
Metal O.D. wall
(with a reinforcing inner metal case)Refit all pipes and wires, and the air cleaner. Start the engine and check for oil leaks.
- The 'MGB' in the name does not denote any specific technical feature; rather, it is a model identifier used by NGK for their range of spark plugs. Each MGB spark plug is crafted with a unique combination of materials and design features to cater to different engine requirements. For instance, some models feature a copper core for efficient heat dissipation, while others utilize iridium or platinum for enhanced durability and improved fuel efficiency.
ERIKS also supplies the types GR and GRST. These are virtually identical to the types R and RST, except in this case the metal inner ring is also completely encased in rubber. ERIKS uses FKM rubber here as standard, so these seals are ideal for use in acidic environments.


With minor lip
Type code
Table 2 b): Common types of oil seals (without spring)
Several variables must be considered when selecting oil seals. The physical dimensions and materials will vary depending on the environment of use. In addition, oil seals must remain lightweight, compact, and exhibit high self-lubrication performance.

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2) Housing design
Regular inspection and maintenance of car engine head gaskets and automotive rubber gaskets are essential to identify signs of wear, damage, or leakage. Proper replacement of worn or damaged gaskets is crucial for maintaining the integrity and performance of the vehicle's systems. Adhering to recommended service intervals and using high-quality replacement components are essential for optimizing the performance and longevity of the vehicle's gaskets.


Oil seals in the motor, including the engine and other critical components, are essential for maintaining the integrity and efficiency of the vehicle. These seals are designed to contain lubricating oil and prevent leaks, contributing to the smooth operation and longevity of the motor. Proper maintenance and replacement of oil seals in the motor are crucial for the reliability and performance of the vehicle's systems.
Installation of the oil seal
In general, oil seals should be selected in the order of priority indicated in Table 1.