Murray Climate Control Idler/Tensioner Pulley - 45004 Part #: 45004 Line: MRY Murray Climate Control Idler/Tensioner Pulley 1 Year Limited Warranty Belt Width (mm): 25mm Material: Steel Pulley Outside Diameter (mm): 82mm Pulley Width (mm): 23mm Pulley Width (in): 5/8 Inch Pulley Outside Diameter (in): 3-1/4 Inch Pulley Inside Diameter (in): 0.470 Inch Pulley Inside Diameter (mm): 11mm Show More Show Less