Blade Length: 18-15/16"
Center Hole: 13/16"
Make sure and measure blade to insure proper fit, length can vary 1/8" either direction.
It fits John Deere
(3) for 54 cut, convertible deck, for 54C deck
Set of 9
OEM# M143520 , M145516
Equivalent part# 596-719 , 491-470 , 91-470