Notes: 28170 O-RING 4350 88.49X3.53 is original CARRARO product. 28170 O-RING 4350 88.49X3.535 is commonly used in transmissions/axles/engines 139514, 139555, 140964, 141015, 141181, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849