TENGMUJX Lawn Mower Idler Pulley 3-Pack for Bad Boy ZT/MZ Outlaw - 5-3/4" OD, 1/2" Bore, Corrosion-Resistant

A three-pack of TENGMUJX idler pulleys engineered to replace Bad Boy part numbers 033-2000-00, 033-7201-00, 033-7201-25, and 033-8000-00 for a range of Bad Boy ZT, MZ and Outlaw mower decks.

This set provides a direct-fit replacement pulleys designed to restore belt tension and smooth belt tracking on compatible Bad Boy zero-turn and walk-behind mowers. Each pulley is corrosion-resistant and sized to match original equipment dimensions so installations are straightforward and the drive system runs quietly and reliably.

Which mower models will these pulleys fit?

These idler pulleys are compatible with many Bad Boy models and deck sizes, including ZT and MZ series decks along with Outlaw variants. They were built to match the common OEM part numbers so they serve as a straightforward substitute for worn or damaged pulleys.

• Replaces Bad Boy part numbers: 033-2000-00, 033-7201-00, 033-7201-25, 033-8000-00
• Fits Bad Boy ZT Series 48", 50", 54", 60" decks
• Fits Outlaw 54", 61", 72" decks and many MZ/Magnum, Rambler and Elite variants
• Works across walk-behind and select diesel/gas models listed by manufacturer

How do the dimensions and design affect installation?

The pulley dimensions are matched to the OEM geometry to reduce the need for modification. With an outer diameter of roughly 5-3/4", an inner bore sized for 1/2" shafts, and a compact profile, the replacement aligns with factory mounting points for a quick swap.

• Outer diameter (OD): approximately 5-3/4" for correct belt wrap
• Inner diameter (ID): 1/2" to fit standard idler shafts
• Height is compact to maintain original belt alignment and clearance
• Designed for bolt-on replacement—minimal tools required

What material and performance features should I expect?

The pulleys are built from corrosion-resistant materials intended to withstand outdoor exposure and mower operating conditions. They emphasize smooth rotation to limit belt wear and reduce system noise, helping your deck drivetrain operate more efficiently.

• Corrosion-resistant construction for outdoor durability
• Smooth-running bearing surface to minimize friction and noise
• Balanced form to reduce vibration in the deck drive system
• Sold as a 3-pack so you can refresh multiple pulleys at once

Will these replacements affect mowing performance?

Replacing a worn idler pulley restores correct belt tension and tracking, which helps maintain consistent blade speeds and deck operation. Proper pulleys lower the chance of premature belt failure and reduce slippage during heavy loads.

• Improves belt tracking and maintains blade RPM stability
• Reduces slipping under load compared with a worn pulley
• Can extend belt life when installed as part of regular maintenance
• Three pulleys let you address multiple points of wear in one service

Who is this for: This 3-pack from TENGMUJX is aimed at owners, technicians and fleet managers who maintain Bad Boy ZT, MZ and Outlaw series mowers and need an affordable, direct-replacement idler pulley. If you run a residential mower, a landscaping business, or maintain municipal equipment that uses the listed Bad Boy part numbers, these pulleys give a practical option to restore dependable deck drive operation without sourcing expensive OEM units. If you’re unsure about fitment for a specific model year or configuration, contact customer support with your mower’s model and deck size before installing.