Husqvarna 532175566 Ignition Switch For Husqvarna/Poulan/Roper/Craftsman/Weed Eater Key sold separately: Husqvarna part # 140401 Current part number 532175566 replaces previous part numbers 163968, 175588, 189687, 532163968 and 175566. 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