Notes: ACP0321400 O-RING 3156 2-129 39.34x2.62 is original AGCO-MF-VALTRA product. ACP0321400 O-RING 3156 2-129 39.34x2.621 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849