- Owners are encouraged to have their vehicles lifted to inspect the rear shock absorbers for any visible signs of oil leakage around the seal. If such signs are present, it is advisable to replace the oil seal or even the entire shock absorber if necessary. While this may seem like a minor expense, it pales in comparison to the potential costs associated with ignoring this critical component.
Once you have selected the most suitable seal available, considering the environment, temperature, shaft speed, pressure, lubrication availability, as well as the size, of course, the seal should be stored adequately and then fitted properly. Here are a few suggestions that could help:-
Rotary Wheel Of Auto Parts


Most ERIKS oil seals, such as the types M, MST, R and RST, are made of NBR as standard.
0.1 to 0.32 μmRa and 0.8 to 2.5 μmRz
and the lead angle to no greater than 0.05°. (There is a risk that the lead marks will impede the sealing performance of the oil seal: see Figure 5.)
In addition to carbon buildup and oil leakage, black spark plugs can also be caused by overheating. If the engine is running too hot, it can cause the electrodes on the spark plugs to wear down and become coated in carbon deposits. This can lead to poor engine performance and reduced fuel efficiency. It is important to monitor the engine temperature and address any overheating issues promptly to prevent damage to the spark plugs.
Overall, black spark plugs are a common issue that can occur in internal combustion engines. It is important to regularly inspect and replace spark plugs to ensure optimal engine performance and prevent more serious issues down the line. By addressing the root causes of black spark plugs, such as a rich air-fuel mixture, oil leakage, and overheating, you can keep your engine running smoothly and efficiently.
Double metal cased
Whether the seal is a standard product or a custom solution, our engineers ensure that the seal is specified for your application.
The main causes of external lubricant leakage from pumping systems, hydraulic machines, gearcases and sumps are the wrong selection, improper application, poor installation and inadequate maintenance practices that are applied to sealing systems.
3、About production
Materials Used to Make Oil Seals
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