Husqvarna 2-Stage Snow Thrower Shear Bolts & Nuts, 6 Pack - 580790401 Set of 6 replacement bolts and nuts for Husqvarna and Poulan snowblowers. Husqvarna # 580790401 OEM replacement part for Husqvarna snow throwers and designed to exact tolerances. Replaces 588077501, 585511801, 192090, 198636, 532192090 & 532198636. Compatible with Husqvarna two-stage (2008 and newer)