[FIT] Compatible with Husqvarna, Sears, Craftsman, Ariens, Oregon, and AYP 42-inch, 46-inch, 48-inch, and 54-inch decks. Fits 54-inch Poulan Pro P54ZX. [COMPATIBLE] Lawn tractors and mowers models with 4 screws: 187292, 192870, 532187281, 532187292, 532192870, 539112057, 587125401, 587253301. Ariens: 21546238, 21546299, 21549012. Husqvarna: 192870, 532187281, 532187292, 532192870, 539112057, 53911207, 587125401, 587253301. McCulloch: 532 19 28-70. Dixon: 532187292, 532192870. Raisman 80-12-001. Rotary 11590. Oregon 82-026 and others. [WELL-BUILT] Blade mount: 5-point star shaped. Replacement part is high quality, durable, and corrosion resistant. Includes top nut, spindle assemblies, blade bolts kit, mounting bolts, grease zerk, pulley locknuts, spacer, 2RS bearing, pre-filled grease; no need to add grease. [EASY INSTALLATION] Mounting holes are pre-tapped for easier installation. Spacer must be installed under the pulley. Installing with the spacer on top of the pulley or failing to use the spacer may cause damage to the shaft and pulley. Overall Height: 7-1/2 inches (190mm, includes 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 Only the above package content; other products are not included. Note: Lighting and display differences may cause slight color variation between the item and the image. Measurement error allowance is +/- 1-3cm.