Notes: 0.900.2646.7 Bevel gear Pinion set Z=13/33 is original SAME-DEUTZ-FAHR product. 0.900.2646.7 Bevel gear Pinion set Z=13/331 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849