OEM John Deere Part Number AA21480 Replaces Prior MPN AA49567 AA49566Compatibile With:John Deere: 647 Quik-Trak 48 inch Deck, 647A Quik-Trak 48 inch Deck, 648R Quik-Trak 48 inch Deck, 652B Quik-Trak 52 inch Deck, 652E Quik-Trak 52 inch Deck, 652R EFI MOD Quik-Trak 52 inch Deck, 652R EFI Quik-Trak 52 inch Deck, 652R MOD Quik-Trak 52 inch Deck, 652R Quik-Trak 52 inch Deck, 657 Quik-Trak 54 inch Deck, 657A Quik-Trak 54 inch Deck, 661R EFI Quik-Trak 61 inch Deck, 661R Quik-Trak 61 inch Deck, 667 Quik-Trak 60 inch Deck, 667A Quik-Trak 60 inch Deck, 717A Mini-Frame ZTrak 48 inch Deck, 717E Mini-Frame ZTrak 48 inch Rear Discharge Deck, 717E Mini-Frame ZTrak 48 inch Side Discharge Deck, 727A Mini-Frame ZTrak 54 inch Deck, 737 Mid-Mount ZTrak AC Gas 54 inch Deck, 737 Mid-Mount ZTrak AC Gas 60 inch Deck, 757 Mid-Mount ZTrak AC Gas 54 inch Deck, 757 Mid-Mount ZTrak AC Gas 60 inch Deck, 777 Max-Frame ZTrak 60 inch Deck, 777 Max-Frame ZTrak 60 inch Mulch On Demand Deck, 777 Max-Frame ZTrak 72 inch Deck, 797 Max-Frame ZTrak 60 inch Deck, 797 Max-Frame ZTrak 72 inch Deck, Z510A Estate ZTrak Kohler California Gas 48 inch Deck, Z510A Estate ZTrak Kohler Gas 48 inch Deck, Z520A Estate ZTrak Kohler Gas 54 inch Deck, Z520A Estate ZTrak Kohler Gas 60 inch Deck, Z710A ZTrak 48 inch Deck, Z710A ZTrak 54 inch Deck, Z720A ZTrak 60 inch Deck, Z810A Professional ZTrak Kawasaki Gas 48 inch Deck, Z810A Professional ZTrak Kawasaki Gas 54 inch Deck, Z820A Professional ZTrak Kawasaki Gas 48 inch DeckPlease Refer to Original Equipment Owners Manual to verify Compatibility