Spindle hub assembly replacement for John Deere mower decks - replaces AM143469 spindle and is compatible with John Deere spindles AM143469, AM136733, AM137097, and Oregon 82-358 - direct replacement part to restore blade alignment, reduce wear, and maintain smooth deck operation Compatibility by model and deck size - John Deere X300, X300R, X304, X310, X324, Z225 EZtrak, Z245 EZtrak tractors - John Deere Z225 EZtrak Residential Zero Turn Mower Worldwide Edition PC9593; Z225 deck spindle kit; Z225 deck spindle; Z225 rebuild kit - John Deere Z245 EZtrak Residential Zero Turn Mower Worldwide Edition PC9704; Z245 spindle; Z245 48 deck spindle - John Deere X300 Select Series Tractor PC9519; X300 deck spindle; X300 42 inch deck spindle; X300 parts - John Deere X300R Select Series Tractor PC9608 Size and deck compatibility - X300/X300R/X304/X310/X324 with 42 inch deck spindles - Z245/Z225 with 48 inch deck spindles - Covers listed PC numbers and related spindle kits for these models Use scenarios - Routine maintenance: replace a worn or damaged deck spindle on X300/X300R/X304/X310/X324 to restore blade performance and reduce vibration - EZtrak repairs: service Z225 or Z245 EZtrak residential zero turn mowers to ensure stable blade operation on their respective deck sizes - Select Series maintenance: upgrade or replace deck spindle on X300/X300R Select Series tractors to maintain mower deck reliability and cut quality Notes - Built as a compatibility-focused replacement spindle hub assembly for John Deere mower decks - Maintains proper blade spin and deck performance with supported part numbers and model ranges