Complete spindle assembly replaces Exmark 103-3200 and 103-8075; 285-931, 10872. Fits some Exmark Turf Tracer & Lazer Z XP 60" mower decks, S/N's 320,000-351,999, Turf Ranger 52" and 60" deck S/N's 510,000-599,999 and others. Refer to your owners manual to match by OEM#.