Notes: 138003 HEX HEAD SCREW M12X1.75X16 8.8 is original CARRARO product. 138003 HEX HEAD SCREW M12X1.75X16 8.85 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