Notes: 139566 FIFTH WHEEL 39.5X72X1.5 is original CARRARO product. 139566 FIFTH WHEEL 39.5X72X1.55 is commonly used in transmissions/axles/engines 134998, 140483, 149569, 149570, 210053, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849