Rotary replacement pulley for JOHN DEERE  AM135526 X 300 310 320 324 500 520 540 42 48 Z-Trak. This is an idler pulley that goes on the mower deck on the following John Deere lawn mowers. Please note the deck and tractor model combinations, you must have an exact match for this idler to work.

IT FITS:

42C

X300

X304

X310

48C W/ Non-Rotatable anti-scalp wheels

X320

X324

X500

X520

X534

X540

Z245

Z255

48" & 54"

Z425

Z445