AM137483 M159146 M157769 Spindle Assembly for John Deere X300 Z225 2 Piece

Product Overview

The Spindle Assembly kit for John Deere X300 and Z225 provides two factory-style spindle assemblies to replace worn or seized deck spindles. Each assembly features a heavy-duty housing and sealed bearings that keep out debris and retain grease, ensuring long service life. The complete 2x spindle assembly set cuts downtime on John Deere X300 and Z225 mower deck repairs.

Key Features & Performance

• 2 pre-assembled spindle housings with integrated shafts
• Sealed ball bearings eliminate greasing and resist contamination
• Heavy-duty cast iron or steel housing withstands impact and vibration
• Direct bolt-on replacement for quick deck overhaul
• Precision-machined splines match OEM blade mounting
• Built to replace multiple John Deere spindle part numbers

Fitment & Compatibility

• John Deere X300 Series lawn tractors
• John Deere Z225 ZTrak zero-turn mower
• Compatible with decks using OEM spindle numbers M157769 and M157736

Common Uses

• Replacing bent or seized spindles on John Deere X300 and Z225 mowers
• Deck rebuilds and bearing replacement during off-season service
• Restoring smooth, vibration-free blade operation on high-use mowers
• Upgrading worn original spindles in commercial or residential mowing

Technical Specifications

• Part Number(s): AM137483, M159146 (Set); M157769, M157736 (Individual)
• Quantity: 2 Spindle Assemblies
• Compatible Models: John Deere X300, Z225

Frequently Asked Questions

Q: Are these spindle assemblies pre-lubricated? A: Yes, sealed bearings come factory-greased and require no additional lubrication for the life of the part.

Q: Do the assemblies include mounting bolts? A: Mounting hardware is typically not included; reuse the original bolts or source separately based on your deck specs.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.