OEM Caterpillar 9T-5623 Piston is a genuine Cat hydraulic pump group piston designed for use inside Caterpillar pump assemblies on heavy equipment. This piston functions as the moving element within the pump group, translating hydraulic pressure into mechanical action as part of Cat's hydraulic systems. For proper fit and function, verify compatibility with your Caterpillar parts catalog or service manual, since pump-model specifics determine the correct piston type and dimensions.
