John Deere Mower Deck Drive Belt - M138583 for X300 Series with 42-inch Mulch Deck
Mower Deck Drive Belt for X300 Series with 42-inch mulch deck.
Length - 115 inches. Fits On: X300 with 42" Mulch Deck ( Serial No. 150,001 - ), X304 with 42" Mulch Deck ( Serial No. 150,001 - ).
Ensure you get the right belt, look up the mower belts you need at https://partscatalog.deere.com/jdrc/. Or put the make, model and serial number of your piece of equipment in the comments when you order and we will check it before we ship the parts.