Compatible with MX B350P 355W and MX B450P 455W printer models for seamless integration Replacement part number 8K1927225B and 1G724-97012 ensures accurate fit and function Designed with 350W and 450W upper fuser roller specifications for reliable performance Set includes 2PCS for extended use and convenient backup during maintenance cycles Engineered to restore print quality and support consistent paper feeding in compatible devices Upper Fuser Roller Compatible with: MX-B350P 350W 355W, MX-B450P 450W 455W Heating Fuser Roller