1S0668 Ring-Back Up Fits Caterpillar Models
1S0668 Ring-Back Up Fits Caterpillar Models
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One New Aftermarket Replacement Backup Ring for Caterpillar (Cat) Forklifts and Lift Trucks
This backup ring is a hydraulic sealing component used in Caterpillar and Towmotor lift truck hydraulic systems. Backup rings support primary seals under high-pressure conditions, preventing seal extrusion and maintaining the integrity of hydraulic cylinders -- common wear items in forklift mast and tilt cylinder assemblies. This part also interchanges with Mitsubishi-branded Cat lift trucks.
Compatible Models
Caterpillar / Towmotor Forklifts and Lift Trucks: Fits a broad range of Caterpillar (Cat) and Towmotor forklift models. Verify fitment by cross-referencing OEM part number 1S0668 with your service manual or parts lookup tool before ordering.
Replaces Part Number(s):
1S0668
Aftermarket Interchange Numbers
2J7766, 4J1670, 5J8196
New aftermarket replacement part - not remanufactured, not used.
