Replacement mower blade fits 48" John Deere 48" cut Decks, Since 1999 using blade M127500 or M145476. 15-10291, similar to Stens 330-369 and Oregon 90-348. All blades are sold individually. Order quantity of (3 )blades for 48" cut. Be sure to match the part number from the owners manual for the part you are replacing with the OEM number(s) listed.