Piston kit illustration – not the actual part
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Piston kit illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

CumminsISB / QSBPiston Kits

DS-4089260 Piston Kit For Cummins ISB-250 Diesel Engines

With Ring Set And Pin Retainers

OEM #: 4089260SKU: DS4089260

Ships in 1-2 days

$186.29

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

This is a Piston Kit for Cummins ISB-250 engines.

SKU DS4089260
OEM Number 4089260
Part Type Piston Kits
OEM Brand CUMMINS

Aftermarket warranty

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Call any of our friendly Parts Dept. Specialists with your engine serial number, and we can quickly verify whether this part is the correct part for your engine — no guesswork.

Phone: 888.687.0539

Don't know how to find your engine serial number? Go to our Engine Help Center for assistance.