Feature:AC belt tensioner is made of good quality materials to improve reliability and durability.Easy to install, direct replacement for the old or broken belt idler tensioner, no need to make any changes, match the ., good performance, and long service life.This is a non-OEM product, accessory only! Specification:Color: Silver Tone, BlackMaterial: MetalType: Drive Belt Tension PulleyOE Number:31170RAAA01/31170PNA023/31170-RAA-A01/31170-PNA-023/31170-PNA-003/31170-PNA-013Fitment:for Acura CSX 2006-2011for Acura ILX 2013-2015for Acura RDX 2007-2012for Acura TSX 2004-2008for Honda Accord 2003-2007for Honda Civic 2006-2015for Honda CR-V 2002-2014for Honda Element 2003-2011Package Included:1 x Belt Tensioner Pulley.