Dorman TECHoice Idler Pulley - 419-608 Part #: 419-608 Line: DOR Dorman TECHoice Idler Pulley 1 Year Limited Warranty Contact Surface: Grooved Material: Nylon Pulley Outside Diameter (mm): 79mm Pulley Width (mm): 30mm Number Of Pulley Grooves: 7 Pulley Inside Diameter (mm): 17mm Show More Show Less