037-2000-00 - Bad Boy Mower Parts
037-6015-00 - Bad Boy Mower Parts

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$2.99

037-2000-00 – Spindle Assembly fits All ZT Avengers and MZ/MZ Magnum Also Fits 2016-2017 36″ Stand-On

Key Features of Bad Boy Mower 037-2000-00 – Spindle Assembly (Fits All ZT, Avengers, MZ/MZ Magnum, and 2016–2017 36" Stand-On)

  • OEM Replacement Assembly: Genuine Bad Boy spindle assembly designed for ZT, Avenger, MZ, MZ Magnum, and 36" Stand-On models.
  • Heavy-Duty Construction: Cast aluminum housing provides long-term durability under commercial mowing conditions.
  • Sealed Bearings: Factory-installed precision bearings deliver smooth operation and reduced maintenance.
  • Perfect Blade Balance: Maintains consistent blade rotation for an even, high-quality cut.
  • Pre-Assembled Unit: Includes spindle housing, shaft, and bearings—ready to install right out of the box.
  • Direct OEM Fit: Matches original mounting holes and deck alignment with no modifications required.
  • Enhanced Longevity: Designed to withstand vibration, debris, and high-speed operation for reliable performance.
  • See Models Used On below for more detail.

  • SKU:

    037-2000-00

  • Weight:

    8.00

  • Replace Products:

    037-2050-00

$204.33
Usually ship in 1-3 days

Bad Boy Mower 037-2000-00 – Spindle Assembly (Fits All ZT, Avengers, MZ/MZ Magnum, and 2016–2017 36″ Stand-On)

The Bad Boy Mower 037-2000-00 – Spindle Assembly is a genuine OEM replacement designed to restore smooth, precise blade rotation and dependable cutting performance across multiple Bad Boy models. Compatible with all ZT, Avenger, and MZ/MZ Magnum mowers—as well as 2016–2017 36″ Stand-On models—this spindle assembly ensures long-lasting reliability and easy maintenance.

Constructed from heavy-duty cast aluminum and fitted with precision-sealed bearings, the 037-2000-00 delivers superior strength and smooth blade motion under high-speed operation. It’s engineered to handle the stress of commercial-grade mowing while maintaining consistent blade balance and alignment for an even, professional cut every time.

This complete spindle assembly includes the spindle housing, shaft, and bearing system, pre-assembled for fast and straightforward installation. Designed to match the original factory specifications, it fits perfectly into your mower’s deck without modification or additional hardware.

Aftermarket spindles may not meet OEM tolerances, leading to vibration, uneven cuts, or premature wear. The Bad Boy OEM 037-2000-00 Spindle Assembly guarantees proper fit, durability, and performance—ensuring your mower operates like new and your blades stay cutting true.

At BadBoyMowerParts.com, we carry a full range of OEM spindle assemblies, pulleys, and deck components engineered for precision and performance. With free shipping on orders over $100, maintaining your cutting deck with genuine parts like the 037-2000-00 keeps your mower in peak condition season after season.

037-6025-00 - Bad Boy Mower Parts
037-6025-00

In stock

037-6025-00 - Spindle Shaft - All MZ/MZ Magnum - 2016-2022 Stand-On (36" Deck)

$60.98 Usually ship in 1-3 days

In stock

037-6024-00 - Bad Boy Mower Parts
037-6024-00

In stock

037-6024-00 - Spindle Bearing for 037-2000-00

$34.35 Usually ship in 1-3 days

In stock

018-6019-00 - Bad Boy Mower Parts
018-6019-00

In stock

018-6019-00 - 1/2-20 - 1-1/2 GR - Bolt Zinc, Fine Thread Bolt

$2.99 Usually ship in 1-3 days

In stock

018-6020-00 - Bad Boy Mower Parts
018-6020-00

In stock

018-6020-00 - 5/8-18 - 1-1/2 GR - Hex Bolt

$2.99 Usually ship in 1-3 days

In stock

042-0010-00 - Bad Boy Mower Parts
042-0010-00

In stock

042-0010-00 - 3/16 - 1 Square Machine Key

$4.81 Usually ship in 1-3 days

In stock

Weight 8.00 lbs
037-2050-00 - Bad Boy Mower Parts
037-2050-00

037-2050-00 - Obsolete

Usually ship in 1-3 days
Newer version is available. Click to see 037-2000-00
15215 - Bad Boy Mower Parts
15215

In stock

15215 - SPINDLE ASSEMBLY REPLACES 037-2000-00

$131.99 Usually ship in 1-3 days

In stock

Models Used On

(Click Link For Diagram)

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