8TEN Deck Spindle 810-CSP2549N (John Deere AM144423) — Fits Ztrak Z445 Z540R Z545R Z645 & W48M/W48R 48-inch Decks

Replacement deck spindle from 8TEN, an exact fit for John Deere OEM part AM144423 (also listed as 810-CSP2549N). Engineered for 48-inch mower decks, this spindle is compatible with John Deere Ztrak models Z540R, Z545R, Z645 and Z445, as well as W48M and W48R commercial walk-behind mowers with 48-inch decks. Key specifications: Height (Inches): 6.575; Blade mounting pattern: Circle; Outer diameter for pulley (Inches): 5.354.