Notes: 0.900.0688.1 Bevel gear/Pinion Z=15/35 is original SAME-DEUTZ-FAHR product. 0.900.0688.1 Bevel gear/Pinion Z=15/351 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849