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- Oil seals are commonly made from materials like nitrile rubber (NBR), a synthetic rubber that offers excellent resistance to oil, heat, and abrasion
Seawater Engine oil seals are vital components in the automotive engine system, designed to prevent the leakage of lubricating oil and the ingress of contaminants. These seals play a critical role in maintaining the proper lubrication of the engine components, including the crankshaft, camshaft, and other critical parts. Engine oil seals contribute to the efficiency and longevity of the engine by preventing oil leaks and ensuring optimal performance.
• More compact thanks to the thin plate (uses a high-strength steel plate)

In addition to starting the engine, the ignition spark plug also plays a role in regulating the engine's performance. A properly functioning spark plug can improve fuel efficiency, reduce emissions, and maintain engine power. On the other hand, a faulty spark plug can lead to issues such as misfiring, rough idling, and poor acceleration.
First, wash your hands before handling the oil seal. This is because dirt on the sealing surface or oil in fingerprints can compromise the integrity of the seal, while small particles can cause wear and tear, damaging the sealing surface and leading to leaks.
Secondly, do not unpack the seal unless you are ready to install it. After opening, the seal face must be cleaned before installing it on the equipment to prevent contamination.
Finally, ensure that your equipment is clean. This is because dirty equipment can affect the effectiveness of the oil seal.
The depth of the bonded seal can be less and the space between the bore and the outside diameter can be changed for ease of fitting. The bonding of rubber to metal is an important factor to be considered in the manufacture of such seals and should be considered carefully, since failure of the bond will cause the seal to fail. The metal case of the oil seal is usually made from mild steel of deep drawing quality which enables blanking, punching, stamping of the steel to the required dimensions.
Figure 5 explains the JTEKT seal numbering system.
Seal numbers consist of
(1) the seal type code,
(2) the spring code,
(3) the lip type code,
(4) the dimensional numbers, and
(5) the special type code,
and Table 6 shows examples of each of these codes/numbers.
Installation
Before fitting the oil seal, it is essential to check that the oil seal, shaft and bore are clean and undamaged. The surfaces the oil seal will come into contact with must be free of sharp points or burrs. The sealing lip is fragile, so even minimal damage can cause a leak. It is also important that the shaft and bore are correctly finished.
