Notes: 350054 PM DISCO PTO 11" S=1,5 is original CARRARO product. 350054 PM DISCO PTO 11" S=1,55 is commonly used in transmissions/axles/engines 133700, 139783, 139784, 139785, 139785, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849