Replaces OEM#: AYP/ROPER/SEARS 165626GRASSHOPPER 393312HUSQVARNA 532165626Fits GRASSHOPPER 718, 720, 725, 725K and 928DBELT WIDTH: 1/2"HEIGHT: 1"ID: 3/8"OD: 2-1/2"COMPOSITE Plastic Idler Pulley.