ATRACYPART Spindle Assembly for John Deere X300/X350 Series — Direct-Fit Heavy-Duty Replacement

When a worn or noisy spindle begins to affect cut quality, this ATRACYPART replacement spindle assembly offers a direct-fit option engineered to match the original John Deere geometry and mounting points. Built from robust materials and supplied with a 12-month warranty, the assembly aims to deliver consistent rotation and longer service life so you can get back to mowing quickly.

Will this spindle assembly fit my John Deere X300 or X350 series mower?

Yes — the assembly is designed to fit a broad set of John Deere Select Series and Ztrak models where the listed OEM numbers apply. It follows the same bolt pattern and shaft dimensions as the original parts, so it installs in place of the factory spindle on compatible decks.

• Fits X300, X300R, X304, X305R, X310, X324, X350, X350R, X354, X370 Select Series.
• Also compatible with Z225 (S/N After 080001-), Z235, Z245, Z255, Z355E Ztrak models.
• Replaces OEM AM137483, M159146, M157769, M157736 for a straightforward swap.

How durable is this replacement spindle and what materials are used?

The ATRACYPART spindle assembly is manufactured from high-strength metals and heat-treated components to resist wear under normal mowing conditions. Bearings and seals are selected to limit premature failure and keep the spindle running smoothly for many hours of use.

• Heavy-duty hub and shaft construction for torsional strength and stability.
• Precision bearings and seals to reduce play and shed debris.
• Surface treatments that resist corrosion and extend service intervals.

Is installation complicated and what tools do I need?

Installation is intended to be straightforward for anyone comfortable with basic mower maintenance. The spindle drops into the existing deck location and secures with the original hardware; typical installations require wrenches, a torque wrench, and basic hand tools.

• Direct bolt-on replacement — no welding or re-machining required.
• Remove blade and belt, unbolt old spindle, position new spindle, torque fasteners to spec.
• Estimated time: 30–90 minutes depending on access and experience.

What warranty and after-sale support does ATRACYPART provide?

ATRACYPART backs this spindle assembly with a 12-month warranty against manufacturing defects and offers customer support for fitment or installation questions. If any component arrives damaged or fails under normal use within the warranty period, contact the seller for troubleshooting or replacement.

• 12-month limited warranty covering material and workmanship defects.
• Customer support available for fitment guidance and troubleshooting.
• Replacement compatible with OEM part numbers to simplify ordering the correct item.

Who is this for? This spindle assembly is aimed at homeowners, landscapers, and repair shops maintaining John Deere X300/X350 Select Series or Ztrak mowers that need a reliable, direct-fit replacement. If you want to restore cut quality, eliminate spindle-related vibration, or perform preventive maintenance using a part that matches OEM specifications, this ATRACYPART unit is designed to meet those needs while keeping downtime to a minimum.