The FAAC 7090170015 O-ring is a precision-engineered sealing component designed specifically for the FAAC 750 hydraulic cylinder, ensuring a secure and leak-proof connection between the cylinder and flange. Manufactured with high-quality elastomer materials, this O-ring provides excellent resistance to pressure, temperature variations, and hydraulic fluids, guaranteeing long-lasting performance in demanding gate automation systems. Its exact dimensions (66.4 mm inner diameter and 1.78 mm thickness) ensure a perfect fit, reducing maintenance needs and preventing system failures. Ideal for repair, replacement, or preventive maintenance, this genuine FAAC part helps maintain optimal functionality and reliability in automatic gate operators.