ARO 117877251 Cylinder Repair Kit

The ARO 117877-325 Cylinder Repair Kit, manufactured by ARO (Ingersoll Rand), is a seal and internal component rebuild kit designed for pneumatic and hydraulic cylinder refurbishments in industrial settings. It restores sealing performance, stroke reliability, and pressure integrity in industrial air cylinders and actuator assemblies, supporting preventive maintenance and corrective repairs in manufacturing equipment, automated lines, industrial presses, and packaging machines. The kit includes O-rings, seals, and wear components made from industrial elastomers and polymer sealing elements, and is installed by internal cylinder disassembly and rebuild for systems using compressed air or hydraulic fluid. Common replacements include ARO 117877-325 Cylinder Repair Kit, ARO 116283 Cylinder Seal Repair Kit, and Parker Hydraulic Cylinder Seal Kit (equivalent size class).