Got a Bad Boy mower with a worn-out spindle? This replacement assembly is built to get you back to mowing. It directly replaces part numbers 037-4000-00, 037-4000-50, 037-8000-00, 037-8000-50, and of course 038-4000-50. Compatible with Bad Boy Outlaw, Outlaw Extreme, and Outlaw XP models using 48-inch, 54-inch, 61-inch, or 72-inch decks (check your deck size to confirm fit). Made from high-quality metal with a black coating to fight rust and corrosion—durable enough for tough commercial or heavy residential use. Height is 7-5/8 inches. Comes as one complete spindle unit, ready to install. Backed by a one-year warranty, so you can buy with confidence. Reliable performance, easy swap, and built to last through seasons of cutting. Keep your zero-turn running smoothly without the high cost of dealer parts.
