Notes: RE61849-DYMA851234 BALL JOINT 324.0131.523.544.DX is original JOHN-DEERE product. RE61849-DYMA851234 BALL JOINT 324.0131.523.544.DX1 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849