Husqvarna AYP 4 bolt mount spindle housing. Replaces part 187281 or 532 187 281. Used from around 2003 onward on Husqvarna , Craftsman, AYP, Jonsered, Poulan and Weedeater made mowers 36″, 38″ and 42″ cutting width. These housings come threaded with mounting bolts