Notes: 839106 EPICYCLOIDAL RING GEAR Z-70 M-5.5 is original CARRARO product. 839106 EPICYCLOIDAL RING GEAR Z-70 M-5.55 is commonly used in transmissions/axles/engines 403708, 403709, 426417, 874891, 874891, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849