This Litens belt tensioner is supplied by the original equipment (O.E.) tensioner supplier and meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer's logo or part number applied to the part). As with the original equipment part, this replacement tensioner is manufactured in Slovakia for 2009-2012 Audi Q7/VW Touareg with 3.0L TDI Diesel and Gas . The tensioner maintains the O.E. hydraulic strut technology. As with the original tensioner, the part comes equipped with a heavy duty polymer pulley for optimum performance and durability. To assist with belt removal and installation, this tensioner is equipped with a lift feature. Litens is the world's largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.