07001-05055 Back-Up Ring Fits Komatsu Models
07001-05055 Back-Up Ring Fits Komatsu Models
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One New Aftermarket Replacement Back-Up Ring for Komatsu Construction Equipment
This back-up ring (also known as an anti-extrusion ring) is a hydraulic sealing component used in Komatsu construction equipment. Installed alongside primary O-ring seals in hydraulic cylinders, pumps, and control valves, the back-up ring prevents seal extrusion under high-pressure operating conditions, extending the service life of the hydraulic sealing assembly. Part number 07001-05055 is a Komatsu Engineering Standard (KES) part used across a wide range of Komatsu equipment platforms.
Specifications
- Dimensions: 55 x 5 x 2 mm
- Type: Back-Up Ring (Anti-Extrusion Ring)
- Application: Hydraulic cylinders, pumps, and control valves
Compatible Models
Komatsu: This is a Komatsu Engineering Standard (KES) seal part used across multiple Komatsu bulldozer, excavator, wheel loader, and motor grader platforms. Verify fitment using your equipment model and serial number before ordering.
Replaces Part Number(s):
07001-05055
New aftermarket replacement part - not remanufactured, not used.



