MaxPower 7180 Spindle Pulley Replaces Poulan/Husqvarna/AYP 129861 153535, 173436, 177865, 532173436, 532153535, 532129861 Fits 42 inch decks 5-3/16 inch OD, 5/8 inch splined ID, 7/8 inch Height Replaces OEM #153535, 129861, 173436, 177865