Replacement Spindle Kit – is a vital component of the lawn mower’s cutting deck which enables the blades to work smoothly for an even cut. If your mower blades produce weird grinding noises, have a hard time spinning or spin unevenly then you may have a problem with your spindle assembly. Compatible Replacement for AYP, Craftsman 42″, 46″, 48??, 54″ Deck Lawn Mowers and YTH24K48 – Most spindles rotate for 1.8 million times approximately in about 8 hours of cutting. This spindle has a length of 7-1/2 inches (20cm) and has a 5 point star shaped blade mound. The kit includes 4 mounting bolts, pulley lock nut and grease zerk for a complete and superior performance. Replaces Part# Ariens: 21546238, 21546299, 21549012 | AYP, Craftsman, Dixon, Husqvarna: 187292, 192870, 532187281, 532187292, 532192870, 53911207 539112057, 587125401, 587253301 | McCulloch: 532 19 28-70 | Poulan: 532192870 commonly found on popular riding mowers YTH24K48, AYP, Craftsman, Dixon, McCulloch and with 42 inch, 46 inch 48 inch and 54 inch Mower Deck. This spindle assembly includes the mounting bolts necessary for a proper replacement. OEM Fit, Quality, Finish – While this is not a genuine OEM part, it is a direct replacement and will fit, look and function like the factory spindle if not better. Save money off of dealer prices by purchasing this part and installing it yourself. Lifetime Warranty – This spindle assembly manufactured by AA Ignition comes complete with a lifetime warranty. If the part ever fail simply contact us for a replacement. Save time and money by purchasing this part and taking advantage of our lifetime warranty.