2 Pack Spindle Assembly With UC26511 Pulley Replacement For John Deere Z225 X300 X304 Lawn Tractors AM136733 AM143469 AM137097 M151720 Kit Included Spindle Replacement Set For Lawn Care And Yard Work

Two-Pack Spindle and UC26511 Pulley Kit for Lawn Tractors
✔️ Includes two spindles with UC26511 pulleys for Z225 X300 X304

This replacement kit includes two spindle assemblies and two UC26511 pulleys, designed to refresh mower decks on compatible lawn tractors and zero‑turn mowers. Use it to restore blade alignment, improve cutting performance, and extend deck life on Z225, X300, and X304 deck systems.

✅ Kit includes: 2x spindles and 2x UC26511 pulleys
✅ Replaces AM143469 Spindle Assembly; AM136733 variants
✅ Pulley dimensions: height 0.77 in (19.6 mm); OD 5.35 in (136 mm); ID 0.6 in (15.2 mm)
✅ Material: premium aluminum alloy with steel grease zerks and Grade 5 screws
✅ CNC-machined for burr-free threads and precise bolt fit
✅ Color: A7 2xSpindle+2xUC26511
✅ Fits Z225 EZtrak, X300/X304 deck spindles and related kit parts

💡 What is a mower deck spindle replacement kit with UC26511 pulley used for and how does it help maintenance?

It provides ready-to-install components to restore stability and cutting performance in common deck layouts.

- Restores blade alignment and even cut quality - Includes two spindles and two UC26511 pulleys - CNC-machined aluminum body with precision threads for easy install - Extends deck life by replacing worn bearings and bushings