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, . Mounting holes have been pre-tapped for easier installation, must be installed under the pulley. Installing with the on top of the pulley (or failing to ) will result in damage to shaft and pulley. for , sears, , , & ayp 42 inch , 46 inch , 48 inch and 54 inch decks. Fits for 54 inch P54ZX. for ayp/ 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. : 21546238, 21546299, 21549012. : 192870, 532187281, 532187292, 532192870, 539112057, 53911207, 587125401, 587253301. : 532 19 28-70. : 532187292 532192870. 80-12-001. 11590. 82-026 and others. Colour:silver Material:Aluminum alloy Package Contents: 1 x Spindle Assembly Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.