1211605 Seal Kit Fits Caterpillar Models
1211605 Seal Kit Fits Caterpillar Models
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One New Aftermarket Replacement Hydraulic Cylinder Seal Kit for Caterpillar (Cat) Construction Equipment
This aftermarket replacement hydraulic cylinder seal kit is designed to restore proper sealing function to Caterpillar (Cat) hydraulic cylinders. Worn or damaged cylinder seals can cause hydraulic fluid leaks, loss of cylinder pressure, and contamination of the hydraulic system -- leading to costly downtime and component damage. This kit provides the seals needed to reseal a hydraulic cylinder and return it to proper operating condition.
Compatible Models
Caterpillar (Cat): Please verify fitment using your machine model and serial number before ordering. This seal kit is designed for specific Caterpillar hydraulic cylinder applications. Confirm compatibility via the Cat parts catalog at parts.cat.com using part number 121-1605.
Replaces Part Number(s):
1211605, 121-1605
New aftermarket replacement part - not remanufactured, not used.



