Figure 4 shows the features of a JTEKT oil seal.- Overall, the m20 valve cover gasket plays a vital role in the proper functioning of your vehicle's engine. Regular maintenance and replacement of the gasket as needed can help to prevent costly repairs and keep your engine running smoothly for years to come.
- Benefits of Using Lip Seal Gaskets
4) Allowable total eccentricity
- Another important consideration when selecting a hub oil seal is its compatibility with the fluid being sealed
A spring, the composition of which depends on the type
Another type of seal design has the metal encased in rubber (Figure 2.11).



318 valve cover gasket. The old gasket must be carefully removed, and the surface of the valve cover and cylinder head cleaned before installing the new gasket. It is important to torque the bolts to the specified requirements to ensure a proper seal and prevent any leaks.
Advantages of Silicone and Rubber Gaskets
-80 °C to + 200 °C
The oil seals represent the most important type of dynamic sealing on rotating shafts. During the last years, we witnessed a great evolution in the technology, starting from their shape to the materials used nowadays.




Although extremely flexible, silicone does have some disadvantages. Many silicone compounds have poor tensile strength, tear resistance, and abrasion resistance. If you are looking for a material that offers a higher tensile strength, while still offering high temperature resistance, look no further than Viton®.
There are many different materials used to manufacture oil seals.

■Rust and corrosion inhibitors: Your engine’s internal parts can rust and corrode when exposed to acids and moisture. These additives create a protective film over your engine’s internal parts to help prevent such damage.