John Deere Original Equipment Socket Head Screw - M168774
This part fits;
48-Inch, 54-Inch and 60-Inch Mower Decks and 48-Inch Replacement Decks for Tractor-Mounted Mowers
X330 Lawn and Garden Tractor
X350 Lawn and Garden Tractor
X350R Lawn and Garden Tractor
X354 Lawn and Garden Tractor
X370 Lawn and Garden Tractor
X380 Lawn and Garden Tractor
X384 Lawn and Garden Tractor
X390 Lawn and Garden Tractor
X394 Lawn and Garden Tractor
X570 Lawn and Garden Tractor
X580 Lawn and Garden Tractor
X584 Lawn and Garden Tractor
X590 Lawn and Garden Tractor
This is an OEM John Deere part.