Notes: 28600 O-RING 2081 2-019 20.35x1.78 is original CARRARO product. 28600 O-RING 2081 2-019 20.35x1.785 is commonly used in transmissions/axles/engines 141925, 146100, 148440, 149525, 339162, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849