Husqvarna 532180054 Blade for 48-inch deck For Husqvarna/Poulan/Roper/Craftsman/Weed Eater 48-inch deck Current part number 532180054 replaces previous part numbers 173920, 180054 and 539107519. Replacement part for many brands including Husqvarna, Poulan, Poulan Pro, Roper, Sears/Craftsman, and Weed Eater Original equipment manufacturer replacement part 1-year warranty for defects in material or workmanship