[FIT] Compatible with Husqvarna, Sears, Craftsman, Ariens, Oregon, AYP, Poulan Pro, and other brands for 42-inch, 46-inch, 48-inch, and 54-inch deck mowers. Fits 54-inch Poulan Pro P54ZX models. [Compatible] Lawn tractors and mowers with 4-screw mounting pattern: 187292, 192870, 532187281, 532187292, 532192870, 539112057, 587125401, 587253301. Compatible with Ariens: 21546238, 21546299, 21549012. Husqvarna: 192870, 532187281, 532187292, 532192870, 539112057, 53911207, 587125401, 587253301. McCulloch: 532192870. Dixon: 532187292, 532192870. Raisman: 80-12-001. Rotary: 11590. Oregon: 82-026 and other equivalent models. [Well-Built] Blade mount features a 5-point star design. Replacement part is constructed for durability, high performance, and corrosion resistance. Includes top nut, spindle assembly, blade bolt kit, mounting bolts, grease zerk, pulley locknuts, sp, 2RS bearing, and pre-filled grease – no additional greasing required. [Easy Installation] Mounting holes are pre-tapped for straightforward installation. Sp must be installed beneath the pulley. Installing the sp above the pulley or omitting the sp 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 Assembly 1 x Blade Bolt 4 x Mounting Bolts Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement tolerance is +/- 1-3cm.