The replacement part is made of high quality aluminum alloy, durable and corrosion resistant. Includes Top Nut, spindle assemblies, blade bolts kit, Mounting Bolts & grease zerk, pulley locknuts, spacer.Mounting holes have been 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 spacer) will result in damage to shaft and pulley.for husqvarna, sears, craftsman, ariens, oregon & ayp 42 inch , 46 inch , 48 inch and 54 inch decks. Fits for 54 inch poulan pro P54ZX.for ayp/electrolux 42 inch , 46 inch , 48 inch and 54 inch deck lawn tractors & 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.Colour:silverMaterial:Aluminum alloyPackage Contents:1 x Spindle AssemblyOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.