Notes: 3208608 BUSH 30X21X16.5 C40 UNI 5332-64 is original CATERPILLAR product. 3208608 BUSH 30X21X16.5 C40 UNI 5332-641 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849