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CATERPILLAR · Body & Cab
2588721
In stock · ships from Knoxville
This is a rocker arm button (also called an insert) for Caterpillar diesel engines.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 7 applications
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All confirmed applications for this part number.
Caterpillar
Caterpillar
Fitment based on aftermarket catalog listings. Always verify with engine serial number and parts book for your specific machine.
Part data verified against 4 catalog sources
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It sits between the rocker arm and the valve stem tip, transferring motion to open and close the engine valves precisely. Over time, normal wear changes the valve lash and can lead to rough running or power loss, so these buttons are typically replaced during top-end overhauls or valve train service.
Part Number: 2588721
BUTTON
Vendor: STOWERS MACHINERY
Dealer: KP Services Crossville
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