2144524 Rotating Fits Caterpillar Models
2144524 Rotating Fits Caterpillar Models
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One New Aftermarket Replacement Rotating Group for Caterpillar (Cat) Excavators
This aftermarket replacement rotating group is a critical internal component of the hydraulic main pump on Caterpillar (Cat) excavators. The rotating group -- also referenced as the rotary group -- houses the pistons, cylinder block, and valve plate assembly that generate hydraulic flow and pressure to power boom, arm, bucket, and travel functions. Failure or wear of this assembly results in reduced hydraulic performance, slow machine response, and eventual pump failure.
Compatible Models
Caterpillar Excavators: 330, 330 L
Note: This part is a hydraulic pump rotating group. Verify your machine's pump model and serial number before ordering to confirm compatibility.
Replaces Part Number(s):
2144524, 214-4524
Aftermarket Interchange Numbers
5I4406, 1425520
New aftermarket replacement part - not remanufactured, not used.



