Cangzhou Shuangyou Auto Parts Co., LTD. : Technical Features of Oil Filter (2)
Description：● Rubber sealing ring: the filter sealing ring of high quality oil is made of special rubber to ensu....
● Rubber sealing ring: the filter sealing ring of high quality oil is made of special rubber to ensure 100% oil leakage.
● Backflow control valve: available only in premium oil filters. It prevents the oil filter from drying out when the engine is shut off; When the engine reignites, it immediately exerts pressure to lubricate the engine with oil. (also known as stop return valve)
This article by Cangzhou Shuangyou auto parts Co., LTD
