Fit For:for Mercedes-Benz W212 2009-2014OE Number:A0002021619/2782020519/2782020219/1562020619/1562020019/0002021619Product Information:Color:BlackMaterial:PlasticType: Tensioner PulleyFeature of Idler Pulley:Idler pulley is designed for use on automobiles and light duty trucks as a locked center tensioning pulley, an automatic belt tensioner pulley, or an idler pulley.Function of Belt Drive Tensioner: Replace the old or broken belt tensioner to avoid noisy tensioner pulley and no longer withstand belt noise, achieve proper belt tension, alignment, ensure the well performance.The Belt Tensioner w/ Pulley adopts solid Plastic for wear resistance, shatterproof, not easy break or deform, ensure longer service life.Installation Guide:Easy to install, Direct replacement broken serpentine belt idler pulley.
