Xiaoyudou 5" Split Idler Pulley for Bad Boy Mowers – 5" OD, Metal Durable Direct-Fit Replacement

The Xiaoyudou 5" split idler pulley is a direct-fit replacement pulley designed to restore proper belt tension and routing on select Bad Boy, Ferris, Simplicity, and Snapper lawn and zero-turn mowers.

This single-pack idler pulley is made to match factory dimensions so it fits a wide range of deck and chassis applications across multiple mower brands. Built from durable metal and precision-machined to standard specifications, it replaces several OEM part numbers and includes a clear size specification for easy verification before purchase.

Which mower models will this idler pulley fit?

The pulley is compatible with many Bad Boy Maverick, Renegade, Rogue, ZT Elite, Outlaw and related models from model years listed, plus select Ferris, Simplicity and Snapper machines. Always cross-check your machine’s deck size and year against the compatibility list to confirm fit.

• Covers Bad Boy Maverick, Maverick HD, MZ/Magnum, Rebel, Renegade, Rogue, ZT series and Outlaw families (specific years and deck sizes listed in product details).
• Fits Ferris IS700Z/ISX2200/SRSZ2 60" variants and ISX800 60" references.
• Compatible with many Simplicity Courier, Citation, Contender, Cobalt and related part numbers.
• Works on multiple Snapper 48", 52" and 61" ZTR models and their OEM references.

What are the pulley’s dimensions and which OEM parts does it replace?

This idler is specified to match the original design so belt tracking and clearance remain correct after installation. The key measured dimensions and known replacement references help you confirm that this unit is the right part for your mower.

• Inner diameter (ID): 1/2"
• Outer diameter (OD): 6-1/4"
• Total height: 1-5/8"
• Replaces OEM part numbers including 033-8050-00, 039-6945-19, 039-6945-17, 039-6946-17, 5104716YP, 5102678YP, 5102678, 14942.

How durable is this replacement pulley and what should I expect during installation?

The pulley is manufactured from high-hardness metal and subjected to quality checks to resist wear and corrosion under typical mowing conditions. Installation follows factory dimensions so mounting and belt alignment are straightforward for anyone comfortable with basic mower maintenance.

• High-hardness metal construction for longer service life.
• Corrosion-resistant surface treatment to withstand outdoor conditions.
• Produced to standard dimensions for plug-and-play replacement with original hardware.
• Simple removal and refit: typically requires only basic hand tools and a few minutes for an experienced user.

Who is this pulley best suited for? If you own one of the compatible Bad Boy, Ferris, Simplicity or Snapper models and are seeing belt slippage, unusual belt routing, or noisy idler bearings, this Xiaoyudou 5" split idler pulley is a practical replacement option. It’s aimed at homeowners and professional landscapers who want a cost-effective, dimensionally accurate pulley to restore reliable belt operation without modifying the mower. The product comes with a two-year warranty and customer support for fitment questions or post-sale assistance.

• Note: Verify the model year and deck size against the detailed compatibility listing before ordering to ensure fit.