Replace your Bad Boy MZ mower’s worn or damaged spindle assembly with this premium high-quality aftermarket replacement. Designed to fit 42", 48", and 54" decks, this spindle assembly ensures smooth and consistent blade rotation for a flawless cut every time.

Product Features:
  • Direct OEM Replacement: Replaces Bad Boy part numbers 037-2000-00 and 037-2050-00, as well as Stens 285-101 and Rotary 15215.
  • Durable Aluminum Housing: Features a 5-1/4" diameter aluminum housing, designed for durability and reliability under tough mowing conditions.
  • Easy Installation: Uses self-tapping screws (sold separately) for a secure fit.
  • Protective Design: Designed to break upon significant blade impact, preventing damage to your mower deck.
Compatible Models:
  • Bad Boy Mowers: Fits MZ 42, MZ Magnum 48, and MZ Magnum 54-inch deck mowers.
Replaces OEM Numbers:
  • Bad Boy: 037-2000-00, 037-2050-00
  • Stens: 285-101
  • Rotary: 15215
Why Choose This Spindle Assembly?
This spindle assembly is built to exceed aftermarket specifications, ensuring smooth blade rotation and consistent cuts across all terrains. Whether you’re maintaining your residential property or managing a professional landscaping operation, this part is designed to keep your mower running at peak performance.

Additional Benefits:
  1. Improved Cutting Performance: Helps achieve even, clean, and consistent cuts.
  2. Easy to Replace: Simple installation for quick and hassle-free repairs.
  3. Long-Lasting Durability: Engineered for reliable performance in demanding mowing conditions.
Ensure your Bad Boy mower continues to deliver optimal performance by replacing your spindle assembly with this reliable and durable aftermarket solution. Upgrade your mower today!


Not sure will this part fit?
Please contact us for compatibility. We can search quickly and confirm or find you the correct one! We usually respond to messages in 10-15 mins during working days Monday to Friday from 6AM to 3PM PST.

SAME DAY SHIPPING (CUTOFF TIME 2PM PST / 5PM EST MON - FRI)
30 DAY RETURNS (BRAND NEW CONDITION)
1 YR WARRANTY

RETURN POLICY
Our goal is to make you 100% satisfied in all transactions and parts needs. 
If you are not satisfied with our product or you ordered an incorrect part, simply message us and we will issue RMA within 12-24 hours.
Our returns are hassle-free and simple and we do not charge restocking fee.
If we sent defective or incorrect part, we take care of return shipping and provide full refund.
If you ordered incorrect part, then you pay return shipping and get full refund on product.
You need correct replacement? Just let us know and our parts specialist will help right away!
Parts returned to us need to be uninstalled and in original box.


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