2344584 Ring Backup Fits Caterpillar Models
2344584 Ring Backup Fits Caterpillar Models
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One New Aftermarket Replacement Backup Ring for Caterpillar (Cat) Excavators
This backup ring (part number 2344584) is a hydraulic sealing component used in Caterpillar excavator hydraulic cylinders. Backup rings are installed alongside primary O-rings and seals to prevent seal extrusion under high-pressure conditions, maintaining system integrity and extending seal service life in demanding construction environments.
Compatible Models
Caterpillar Excavators: 320D, 320D FM, 320D L, 320D2, 320D2 L, 320E LN, 323D L, 323D LN, 323D SA, 323D2 L, 323E L, 324D, 324D FM, 324D L, 324E, 324E L, 324E LN, 325D, 325D L, 326D L, 328D LCR, 329D, 329D L, 329E, 329E L
Verify fitment by model and serial number before ordering. Consult your Cat dealer or parts manual to confirm this ring fits your specific hydraulic cylinder assembly.
Replaces Part Number(s):
2344584
New aftermarket replacement part - not remanufactured, not used.
