Spindle Assembly for Lawn Mower – 42 to 54 Inch Decks

This spindle assembly is a replacement part for zero-turn and ride-on lawn mowers with 42, 46, 48, and 54-inch decks. It fits Husqvarna, Ariens, Craftsman, Sears, Poulan Pro, Oregon, McCulloch, Dixon, and Rotary branded equipment.

The assembly comes complete with top nut, spindle mounts, blade bolt kit, mounting bolts, grease nipple, pulley lock nuts, spacer, and pre-filled 2RS bearings—no additional greasing required before installation.

Key specifications:
– 5-point star blade mount
– Aluminium alloy construction with corrosion resistance
– Total height: 190 mm (7½ inches including grease nipple)
– Mounting hole spacing: 143 mm (5⅝ inches)
– Pre-drilled mounting holes for straightforward fitting

Compatible with popular models: Ariens 21546238, 21546299, 21549012; Husqvarna 192870, 532187281, 532187292, 532192870, 539112057, 587125401, 587253301; Poulan Pro P54ZX; Oregon 82-026; Rotary 11590; and many others.

Installation note: The spacer must sit beneath the pulley. Incorrect spacer placement will damage the shaft and pulley.

Included in the package: 1 spindle assembly, 1 blade screw, 4 mounting bolts.

Check your mower’s model number against the compatibility list to confirm this part is suitable for your machine before ordering.