1081138 Cap A-Idler Fits Caterpillar Models
1081138 Cap A-Idler Fits Caterpillar Models
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One New Aftermarket Replacement Track Idler Cap for Caterpillar (Cat) Tracked Equipment
This aftermarket replacement track idler cap (Cap As-Idler) is a protective cover used in the track roller frame of the undercarriage system on Caterpillar (Cat) tracked construction equipment. The idler cap helps keep debris and contaminants out of the idler assembly, protecting internal components and contributing to longer undercarriage service life. Verify fitment against your machine's serial number and parts manual before ordering, as multiple Cat models use similar idler cap part numbers.
Compatible Models
Caterpillar (Cat): Refer to your equipment's parts manual or serial number to confirm this cap fits your specific machine model and undercarriage configuration.
Replaces Part Number(s):
1081138
New aftermarket replacement part - not remanufactured, not used.



