Compatible with 5200, 5200dtn, 5200L, 5200n, 5200tn, M5025, M5035, M5035x, M5035xs MFP.This replacement part is the 133T gear with part numbers RU5-0546-000, RU5-0546-020, and RU5-0546.It is designed to fit the same locations and functions as the gear in the listed models.The part is and unused.