Notes: 40922R1 O-RING 4487 2-249 123.42x3.53 is original AGCO-MF-VALTRA product. 40922R1 O-RING 4487 2-249 123.42x3.531 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849