Notes: 66074 Bevel gear/Pinion Z=15/35 is original CARRARO product. 66074 Bevel gear/Pinion Z=15/355 is commonly used in transmissions/axles/engines 138628, 138670, 139003, 143811, 147155, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849