037-2050-00 037-2000-00 Mower Spindle Assembly 3-Pack for 42"/48"/54" Decks - Replacement for Bad Boy MZ & MZ Magnum (2010, 2015)

Three spindle assemblies (3-pack) engineered as direct replacements for Bad Boy MZ and MZ Magnum zero-turn mowers, compatible with 42", 48" and 54" mower decks and the 2010 and 2015 model years. Built with heavy-duty bearings and premium materials to deliver durable, long-lasting operation while reducing operating noise. Installation is straightforward and requires minimal tools, letting you return the deck to service quickly. These high-quality replacement spindles restore reliable cutting performance and are suitable for routine repairs or deck upgrades.