Notes: 0.900.0913.2 DOUBLE U-JOINT B320 55 DVP L631 is original SAME-DEUTZ-FAHR product. 0.900.0913.2 DOUBLE U-JOINT B320 55 DVP L6311 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849