
CROSS REFERENCE: 4089644 4089643
APPLICATION: Cummins ISC
BRAND: PAI 505139
Cummins 4089644 Piston Ring Set PAI 505139 diesel engine parts and heavy truck parts. Ensures piston sealing accuracy and maintains stable diesel operation.
All components are proudly manufactured in the U.S.A. by PAI Industries Inc., an ISO9001-certified company with over 50 years of experience in the heavy-duty truck parts industry. This part is built brand new with premium aftermarket quality and includes a 2-year unlimited mileage warranty. Trusted American manufacturing for reliable diesel performance.
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