Notes: 0.900.0674.6 Bevel gear/Pinion set 18/32 is original SAME-DEUTZ-FAHR product. 0.900.0674.6 Bevel gear/Pinion set 18/321 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849