Notes: VA642887 DOUBLE U-JOINT B310 55 DIWV L 251.5 / DO is original AGCO-MF-VALTRA product. VA642887 DOUBLE U-JOINT B310 55 DIWV L 251.5 / DO1 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849