1183129 Ring Backup Fits Caterpillar Models
1183129 Ring Backup Fits Caterpillar Models
Regular price
$24.13 USD
Regular price
Sale price
$24.13 USD
Unit price
per
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One New Aftermarket Replacement Backup Ring for Caterpillar (Cat) Wheeled Excavators
This aftermarket replacement backup ring (1183129) is a hydraulic sealing component used in the hydraulic cylinder assemblies of Caterpillar wheeled excavators. Backup rings work in conjunction with O-rings to prevent seal extrusion and deformation under high pressure, maintaining hydraulic fluid integrity and preventing leaks in cylinders and control valves.
Compatible Models
Caterpillar Wheeled Excavators: M313D, M315D, M315D 2, M316C, M316D, M317D 2, M318, M318C, M318C MH, M318D, M318D MH, M320, M322C, M322D, M322D MH
Replaces Part Number(s):
1183129
Aftermarket Interchange Numbers
CA1183129, 118-3129
New aftermarket replacement part - not remanufactured, not used.
