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MH: O.D. wall is a rubber material
HM: O.D. wall is a metal case
MH(S)H: O.D. wall is metal with a reinforced inner metal caseOn most cars you need to remove several parts to get at the seal.
- In addition to standard oil gaskets, there are also specialized versions like copper oil gaskets, which offer superior heat resistance and durability, and composite materials for improved sealing in high-pressure applications. The choice of gasket depends on the make and model of the car, as well as the driving conditions it's subjected to.
- PTFE oil seals, also known as Teflon oil seals, are commonly used in various industrial applications to prevent the leakage of oil or other fluids. These seals are made from a high-performance material called polytetrafluoroethylene (PTFE), which is known for its excellent chemical resistance and low friction properties.
- In the dynamic world of engineering and manufacturing, oil seal suppliers play a pivotal role in ensuring the smooth operation and longevity of machinery. These specialized companies provide an essential product that safeguards mechanical systems from leaks and contamination, thus contributing significantly to overall efficiency and safety.
Beyond the variety of lip designs, oil seals also come in various case designs, each serving a unique role. Here are some of the most common ones:


• High eccentricity-following lip shape