The FAAC 4350105 Piston Assembly 400 Riveted is a genuine FAAC replacement hydraulic piston assembly engineered for FAAC 400 series swing gate operators. This preassembled, riveted piston unit is designed to provide reliable internal hydraulic performance and proper force transmission within the operator.
Manufactured to FAAC OEM specifications, the riveted construction ensures structural integrity, precise alignment, and long-term durability under continuous hydraulic pressure. This piston assembly plays a critical role in smooth gate movement, consistent opening and closing cycles, and overall operator reliability.
Ideal for complete hydraulic rebuilds or replacement of worn internal components, this FAAC piston assembly restores original performance and extends the service life of FAAC 400 hydraulic operators.
Disconnect power and fully depressurize the hydraulic system.
Disassemble the operator according to FAAC service procedures.
Remove the existing piston assembly.
Install the FAAC 4350105 riveted piston assembly.
Reassemble using new seals and FAAC-approved hydraulic oil.
Always depressurize hydraulic systems before servicing.
Use appropriate tools and protective equipment.
Ensure proper assembly to prevent leaks or failure.
Designed exclusively for FAAC 400 series operators.
Replace seals and oil during piston assembly installation.
Professional servicing recommended for hydraulic components.
