Vehicle Compatibility:for Acura RDX 2007-2012for Honda CR-V 2002-2014for Honda Element 2003-2011for Honda Crosstour 2012-2015for Honda Accord 2003-2012for Honda Civic 2002-2015OE Number:31180PNAJ01Functionality:Color:Black Material:IronType: Tensioner PulleyAdvantage: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.Material Specification:The Belt Tensioner w/ Pulley adopts solid Iron for wear resistance, shatterproof, not easy break or deform, ensure longer service life.