Compatibility - This Altru Print Kit is compatible with Part #'s; RM2-3829 CF116-67903 RM1-8508 CF116-69002 CF116-69003 Supports - Laser Printer M521 / M525 Features - Altru Print's high-quality components and printer service and repair experts to 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; Recycling encouraged Altru Print Kit Includes - 1x RM1-8508 Fuser (RM2-3829 CF116-67903), 1x RM1-6321 Transfer Roller(RM1-1508), 1x RL1-2412 Pickup Roller(RL1-0568), 1x RC2-8575 Separation Pad, 3x RM1-6313 Pickup Roller(RM1-6323), 3x RM1-6303 Separation Pad(RM1-6454), Gloves, Instructions