DriveAlign Belt Drive Idler/Tensioner Pulley 419-629 Dorman - TECHoice is a premium-quality replacement part designed to provide reliable performance and long-lasting durability. This replacement accessory drive belt idler pulley has been engineered by Dorman - TECHoice to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations. It features steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance, with a superior resistance to dirt, salt, chemicals and other under-hood contaminants. OE-quality fit for virtually every domestic or import vehicle on the road today and premium bearings eliminate bearing noise, allowing for reliable operation under severe conditions. In addition, 419-629 Dorman - TECHoice provides mounting hardware for some popular applications. This belt drive idler/tensioner pulley is built to last and provides superior performance, so you can rest assured your vehicle will be running like new in no time.