Murray Climate Control Idler/Tensioner Pulley - 45022 Part #: 45022 Line: MRY Murray Climate Control Idler/Tensioner Pulley 1 Year Limited Warranty Belt Width (mm): 19mm Contact Surface: Smooth Material: Steel Pulley Outside Diameter (mm): 76mm Pulley Width (mm): 20mm Pulley Outside Diameter (in): 3-1/16 Inch Pulley Inside Diameter (in): 0.472 Inch Pulley Inside Diameter (mm): 11mm Show More Show Less