Husqvarna 532179748 Extension Spring For Husqvarna/Poulan/Roper/Craftsman/Weed Eater Spring is 2-1/2-inch long and 1/2-inch diameter Current part number 532179748 replaces previous part numbers 532131335 and 179748. 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