VKM 33013 is installed in the automobile engine to adjust the belt tension force, it consists of ball bearing, pulley & seals etc. Statistical Process Control (SPC) and noise testing prior to packaging ensures the product that you receive is made to high quality level.TP has specialized in developing and producing different kinds of Automotive Engine Belt Tensioners, Idler Pulleys and Tensioners etc. Products are applied to light, medium & heavy vehicles, and have been sold to Europe, Middle East, South America, Asia-Pacific and other regions. Now, we have more than 500 items can meet and exceed the different customers' variety of needs, as long as you have OEM number or sample or drawing etc., we can provide right products and excellent services for you. Below list is part of our hot-selling products, if you need more product information, please feel free to contact us.Refer to samples cost , we will revert it to you when we start our business transaction. Or if you agree to place us your trial order now, we can send samples in free of charge.