Valve Stem Seal

Tonyco can supply many different types of valve stem seal in a variety of materials and size. The products are made of high quality raw materials, which are purchased from the reliable, long-term vendors. 

What is Valve Stem Seal?
The purpose of the valve stem seal is to prevent the oil from the cylinder head entering the combustion chamber. It plays a critical role in controlling valve lubrication as well as oil consumption. If valve stem seal fail, this will cause the engine to suck oil down the guides and into the cylinders. 

Reasons of fail Valve Stem Seals
1. Worn
2. Cracked
3. Missing
4. Improperly installed

Product Line 
Our valve stem seal cover the most popular car model Nissan, Mitsubishi, Isuzu, Hino, Toyota, Mazda, Komatsu, Caterpillar, Cummins, Daewoo, Honda, Hyundai, Kia, Mercedes Benz, Man, Opel, Scania, Volvo and Yanmar for cars, trucks, light trucks, forklifts, heavy duty machines , and the lineup continues to grow.