
CROSS REFERENCE: 3901097 3921640 3921639
APPLICATION: Cummins ISB4/4B/6B/ISB/QSB
DETAILS: 2 Valve Head/ Exhaust and Intake ISB4
BRAND: PAI 192005
Cummins 3921640 Valve Stem Seal PAI 192005 intended for diesel performance parts and heavy duty parts. Ensures precise sealing and long-lasting function.
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.
Find the exact part you need using our search tool: