2042845 Ring Fits Caterpillar Models
2042845 Ring Fits Caterpillar Models
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One New Aftermarket Replacement Piston Wear Ring for Caterpillar (Cat) Equipment
This aftermarket replacement piston wear ring is designed to fit Caterpillar (Cat) construction and heavy equipment. Piston wear rings serve as guides within hydraulic cylinders, preventing metal-to-metal contact between the piston and cylinder bore, reducing friction, and protecting cylinder walls and sealing elements from scoring and premature wear. Replacing a worn piston wear ring helps restore proper hydraulic cylinder alignment and extends overall cylinder service life.
Compatible Models
Caterpillar (Cat): Please verify compatibility by serial number with your Cat dealer or parts catalog before ordering. This ring replaces Caterpillar OEM part number 204-2845 (also referenced as 2042845).
Replaces Part Number(s):
2042845, 204-2845
New aftermarket replacement part - not remanufactured, not used.



