The FAAC 4350115 Piston Assembly is a high-quality replacement component designed for FAAC 400 EG hydraulic operator systems. This riveted-type piston assembly is engineered to deliver consistent hydraulic performance, ensuring smooth and reliable movement of the gate or barrier. Built with precision and durable materials, it maintains optimal pressure and minimizes wear under continuous operation. Ideal for maintenance and repair applications, this piston assembly restores system efficiency and extends the lifespan of FAAC 400 EG automation equipment in residential, commercial, and industrial environments.