
ff 10 spark plug. Whether you drive a compact car, a heavy-duty truck, or a high-performance sports car, you can trust that this spark plug will deliver the performance and reliability you need. The primary function of an oil seal is to create a tight seal between two moving parts, such as a shaft and housing, while allowing for relative motion. This is achieved through the use of a flexible material, such as rubber or synthetic elastomers, which conforms to the surface of the moving part and creates a seal. The seal is typically reinforced with metal or other materials to provide additional strength and durability.