Bad Boy MZ Spindle Assy (3-Pack) Fit 42-54 in Decks

This Aeagle Spindle Assembly (Part #037-2000-00 & 037-2050-00) is a direct replacement for Bad Boy 42", 48", and 54" MZ/MZ Magnum Zero Turn Mowers (2016-2017 models). Engineered for durability, this spindle assembly ensures smooth blade rotation and optimal cutting performance for your lawn mower.

Each package includes three spindles for complete deck coverage. The spindle height measures 5 3/4" (146mm) with an outer diameter of 5 1/5" (132.1mm), matching OEM specifications. Compatible with both standard and Magnum decks, this assembly restores cutting precision and reduces vibration for a cleaner cut. Easy to install with basic tools, it’s a cost-effective solution to extend your mower’s lifespan.