Notes: 138970 GEAR Z23 M3.5 4^ V. is original CARRARO product. 138970 GEAR Z23 M3.5 4^ V.5 is commonly used in transmissions/axles/engines 139802, 139804, 139882, 139884, 145302, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849