Blade replaces John Deere AM100991, AM137324, AM137326, AM141041, M153118, M154159, M84472. 15-6737. All blades are sold individually. Order quantity of (2) blades for 38" cut. This blade fits John Deere model SX38 with 38" cut. Be sure to match the part number from the owners manual for the part you are replacing with the OEM number(s) listed.