Husqvarna 177968 Flat Idler Pulley For Husqvarna/Poulan/Roper/Craftsman/Weed Eater
Husqvarna, Poulan, Poulan Pro, Roper, Sears/Craftsman, and Weed Eater 177968 Flat Idler Pulley.  Current part number 177968 replaces previous part numbers 193197, 532193197 and 11634.