This pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications 2002-2003 Saturn Vue with 3.0L / 2012-2015 Mercedes S550, CLS550,S63,E550,GL450, GL550, Sprinter with 4.6/5.5/2.1L . This pulley conforms to original equipment material, tolerances, and specifications. The part is made in France using the O.E. specified design and meets all performance and durability requirements. This pulley is made with Heavy duty thermoplastic construction for long life and trouble-free performance. 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.