Environmental Considerations and Compliance
Stuff clean rags into the cylinder bores and all water and oil passages and bolt holes to catch scrapings and dirt.
Viton (Fluorocarbon)
Most oil seals consist of some basic elements that configure their structure, such as the sealing element, the metal case, and the spring:

Maintenance and Inspection of Oil Seals

Figure 2: Typically shaped oil seal and component nomenclature
Another factor that can affect the cost of new spark plugs is the brand. Some well-known brands in the automotive industry may charge a premium for their spark plugs due to their reputation for quality and reliability. However, there are also more affordable brands that offer reliable performance at a lower cost.
new spark plugs cost

In conclusion, the piston oil seal is a critical component in an internal combustion engine. It plays a vital role in preventing oil leakage, reducing friction, and ensuring efficient engine operation. Regular inspection and maintenance of the piston oil seal are essential for maintaining the performance and longevity of the engine.