Notes: 1000104628 WASHER 35.3X50X3.3 MAT101 CARRARO STD. 1 is original WACKER-NEUSON product. 1000104628 WASHER 35.3X50X3.3 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