Notes: 81237200 WASHER 35.3X50X2.5 MAT101 CARRARO STD. 1 is original AGCO-MF-VALTRA product. 81237200 WASHER 35.3X50X2.5 MAT101 CARRARO STD. 11 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849