Caterpillar 1540738 — Ring-Backup
Part number: 1540738 · Brand: Caterpillar · Condition: New Aftermarket · Category: farm
One New Aftermarket Replacement Backup Ring for Caterpillar (Cat) Excavators This backup ring (part number 1540738) is a hydraulic sealing component used in high-pressure static and dynamic sealing applications on Caterpillar excavators. Backup rings are installed alongside O-rings in seal grooves to prevent extrusion and deformation under hydraulic pressure, maintaining fluid integrity in hydraulic cylinders, control valves, and pumps. Regular replacement helps extend O-ring life and reduces th
Price: USD 50.40
In stock — worldwide air & ocean freight.