Notes: 209-4295/GEUG080656 O-RING 4900 2-270 228.19X is original CATERPILLAR product. 209-4295/GEUG080656 O-RING 4900 2-270 228.19X1 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849