Notes: 863457 GEAR ASSEMBLY STIRNRAD KPL. (Z=44 is original CARRARO product. 863457 GEAR ASSEMBLY STIRNRAD KPL. (Z=444 is commonly used in transmissions/axles/engines 420130, 872930, 872930, 420130, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849