(no lead marks)

Heat resistance

One of the main causes of black spark plugs is a rich air-fuel mixture. This means that there is an excess of fuel in the combustion chamber, which can lead to incomplete combustion and the production of carbon deposits. A rich air-fuel mixture can be caused by a variety of factors, including a faulty oxygen sensor, a clogged air filter, or a malfunctioning fuel injector. It is important to address these issues promptly to prevent further damage to the spark plugs and the engine.
black spark plug

1. What are oil seals?
In this guide, we will dwell deeply on oil seals and discuss everything that you need to know, such as what it is, how it works, why it fails sometimes, materials used in making it, factors to consider in choosing the right one for your application, and so on.
Installation
Note: For seal type codes, see Table 2.
In conclusion, the 30-50-10 oil seal is a crucial component in ensuring the smooth and efficient operation of machinery and equipment. Its durability, efficiency, and ability to provide a tight seal make it an indispensable part of various applications. By investing in high-quality oil seals like the 30-50-10, businesses can minimize downtime, reduce maintenance costs, and improve overall productivity.