Compatibility - Altru Print Fuser Kit is compatible with Part #'s B5L35A, B5L35-67901, B5L35-67902, RM2-0011 Supports - Color Laser Printer Series M552, M553, M577 Features - Altru Print high quality components and printer maintenance experts ensure optimum printer performance Warranty - Extended 6-month replacement warranty and product support from our experienced USA based staff; No core return or exchange required Altru Print Fuser Kit Includes - 1 x B5L35A Fuser, Prepaid Free Core Return Shipping Label