REPLACE—– AYP 187292; 21546238; Dixon 532192870 532187292 532187281 532192870 539112057 587125401; 11590; Poulan Pro PP155A42 Ex300 539-112057; Oregon 82-026; 285-585. DIMENSION—–Length:7-1/2″(190mm). Mounting hole distance:5-5/8″ (143mm).Fits most 42 inch 46 inch 48 inch and 54 inch decks. FIT—– for AYP, Sears, , , & Oregon42in 46in,48in and 54in decks.:11590. : 285-585 and other riding mowers. Fits for 54″ poulan pro P54ZX.Huskavana z254 (2015), YTS300, YTA18542, ys 4500 riding lawn mower. INCLUDE—–1 x Spindle Assembly, 4 x tapped Screws, 1 x Top Nut, 1 x Bottom Bolt, 2 x Washers,1 x Grease Zerk,1 x Shims.Blade mound:5-point stars shaped.It reduces the shaking of the blade.Reduce wear and tear, not easy to slip 3 MONTHS GUARANTEE—–If there is any problem after receiving the product, we promise to provide you with warranty service within three months.Deck Blade Spindle Assembly for F