Altru Print B5L35-67901-AP Fuser Kit includes: (1) B5L35-67901 Altru Print Fuser - Alternate Part #'s B5L35-67902, B5L35A(1) Prepaid Free Core Return Shipping Label This product may have other part numbers and supports the following printer models: Color Laser Printer Series Flow MFP M577cColor Laser Printer Series Flow MFP M577zColor Laser Printer Series M552dnColor Laser Printer Series M553dhColor Laser Printer Series M553dnColor Laser Printer Series M553nColor Laser Printer Series M553xColor Laser Printer Series MFP M577dnColor Laser Printer Series MFP M577fColor Laser Printer Managed Flow MFP M577cmColor Laser Printer Managed M553dnmColor Laser Printer Managed M553xmColor Laser Printer Managed MFP M577dnmAltru Print Promise: Our products are manufactured with high quality components and are 100% guaranteed to produce optimum print quality. A 6-month warranty is included and our industry experienced customer support team is available to support your printer needs. USA Printer Company is the sole owner of Altru Print (R) brand printer parts.