[FIT] Fits Husqvarna, Sears, Craftsman, Ariens, Oregon, AYP, Poulan Pro, and other brands with 42, 46, 48, and 54-inch decks. Compatible with 54-inch Poulan Pro P54ZX.[COMPATIBLE] Lawn tractors and mowers with 4-screw mounting pattern: 187292, 192870, 532187281, 532187292, 532192870, 539112057, 587125401, 587253301, 21546238, 21546299, 21549012, 53911207, 5321928-70, 532187292, 532192870, 80-12-001, 11590, 82-026, and others.[WELL-BUILT] Blade mount features a 5-point star shape. Replacement part is high quality, durable, and corrosion resistant. Includes top nut, spindle assembly, blade bolt kit, mounting bolts, grease zerk, pulley locknuts, spacer, 2RS bearing, and pre-filled greaseno additional grease required.[EASY INSTALLATION] Mounting holes are pre-tapped for easier installation. Spacer must be installed under the pulley. Installing spacer on top of the pulley or omitting the spacer may cause damage to the shaft and pulley.[OVERALL HEIGHT] 7-1/2 inches (190mm), including grease zerk [MOUNTING HOLE DISTANCE] 5-5/8 inches (143mm) [COLOR] Silver [MATERIAL] Aluminum alloy [PACKAGE CONTENTS] 1 x Spindle 1 x Blade Bolt 4 x Mounting Bolts Note: Light shooting and different displays may cause slight color variations. Measurement error is +/- 1-3cm. Package includes only the items listed above; other products are not included.