Notes: 131137 GEAR Z43 M3.5 2^V. is original CARRARO product. 131137 GEAR Z43 M3.5 2^V.5 is commonly used in transmissions/axles/engines 137373, 137374, 137375, 137376, 137377, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849