1394948 Ring Backup Fits Caterpillar Models
1394948 Ring Backup Fits Caterpillar Models
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One New Aftermarket Replacement Backup Ring for Caterpillar (Cat) Construction Equipment
This aftermarket replacement backup ring (part number 1394948) is a hydraulic sealing component used in high-pressure static and dynamic sealing applications on Caterpillar equipment. Backup rings prevent seal extrusion and protect the elastomeric O-ring or primary seal from deformation caused by pressure surges in hydraulic systems such as pumps, cylinders, and valves. This part is commonly found in hydraulic service seal kits for Cat construction machinery.
Compatible Models
Caterpillar (Cat): Verify fitment by model and serial number. This part number is used across multiple Cat construction equipment lines. Consult your service manual or Cat dealer parts lookup with serial number to confirm application.
Replaces Part Number(s):
1394948
New aftermarket replacement part - not remanufactured, not used.
