Notes: 66090 BEVEL GEAR PINION KIT 13/31 is original CARRARO product. 66090 BEVEL GEAR PINION KIT 13/315 is commonly used in transmissions/axles/engines 138710, 138773, 139505, 139970, 141154, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849