Notes: 137864 HEX SOCKET HEAD CAP SCREW M6X1X16 is original CARRARO product. 137864 HEX SOCKET HEAD CAP SCREW M6X1X165 is commonly used in transmissions/axles/engines 132886, 138094, 138111, 138116, 138117, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849