Notes: ER635593 DOUBLE U-JOINT B300 55 DV L432 (GR.148.5 is original JOHN-DEERE product. ER635593 DOUBLE U-JOINT B300 55 DV L432 (GR.148.51 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849