Dorman HD Solutions Idler Pulley - 419-5002 Part #: 419-5002 Line: DOR Dorman HD Solutions Idler Pulley Limited Lifetime Warranty Belt Width (mm): 20mm Contact Surface: Grooved Material: Nylon Pulley Outside Diameter (mm): 73mm Pulley Width (mm): 28mm Number Of Pulley Grooves: 6 Pulley Inside Diameter (mm): 17mm Show More Show Less