In the automotive industry, spark plugs are essential for the proper functioning of internal combustion engines. Whether in gasoline or diesel engines, spark plugs play a crucial role in igniting the air-fuel mixture, initiating the combustion process that powers the vehicle. High-performance spark plugs designed for specific automotive applications can enhance engine performance, fuel efficiency, and emissions control, contributing to the overall reliability and longevity of the vehicle.
Before you begin the installation process for any power transmission component, the first goal is making sure everything is clean and free of any material flaws such as nicks, burrs, scratches, dents, et cetera. Most of these components have very tight tolerances, so maintaining this accuracy is important in their performance.This is especially critical for oil seals because of their function.

c15 valve cover gasket. If dirt or debris were to enter the engine, it could cause damage to sensitive components such as the valves and camshafts. By maintaining a tight seal with the valve cover gasket, you can keep your engine clean and free from contaminants.
As shown in Figure 1, sealing devices come in two types: contact and non-contact.
Oil seals are among the major contact type sealing devices.


(2) When the ambient temperature is high, polyacrylate or silicon, fluorine, and silicon fluorine rubber should be selected. And should try to lower the oil temperature in the tank. When the operating temperature is too low, cold-resistant rubber should be used.
(visible lead marks)

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.
It is generally used in the union of two lubricated parts, so that it hermetically seals both sides. Therefore, it guarantees the proper engine operation and helps to maintain the vehicle’s distribution system in better condition.
size:105*135*15
Table 8: Housing design checklist
(type code)