1211603 Ring Fits Caterpillar Models
1211603 Ring Fits Caterpillar Models
Regular price
$47.00 CAD
Regular price
Sale price
$47.00 CAD
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One New Aftermarket Replacement Backup Ring for Caterpillar (Cat) Excavators and Front Shovels
This aftermarket replacement backup ring (Caterpillar part number 1211603) is a hydraulic cylinder sealing component used in the bucket cylinder assemblies of large Caterpillar (Cat) excavators and front shovels. Backup rings prevent seal extrusion under high-pressure hydraulic conditions, protecting primary seals and maintaining cylinder integrity during demanding construction and mining operations.
Compatible Models
Caterpillar Excavators: 365B, 365B II, 365C, 385C, 385C FS
Caterpillar Front Shovels: 5080, 5090B
Replaces Part Number(s):
1211603
New aftermarket replacement part - not remanufactured, not used.
