Notes: 21519 HEX SOCKET HEAD CAP SCREW UNI 5931 M6X14 is original CARRARO product. 21519 HEX SOCKET HEAD CAP SCREW UNI 5931 M6X142 is commonly used in transmissions/axles/engines 359100, 359100, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849