Rotary 8479 includes (1) spindle assembly for 36", 38", & 42" Craftsman, Poulan & Husqvarna mowers with ventilated decks that use 5 pt. Star center hole blades. This assembly replaces OEM Numbers 128285, 130794, 133172, 137641, 137645, 532128285, 532130794, 532133172, & 532137645 all Rotary products are manufactured for peak performance & durability.