Description
New PAI minor fuel sealing washer and O-ring kit, part number 131685-154, for Cummins ISB / QSB engine series. Also part of the PAI 131685 lower gasket kit. Confirm fitment by original part number before ordering.
What comes in this kit:
- Fuel fitting seal (PAI 136102, Cummins 3963990) – qty 11
- Seal (PAI 136103, Cummins 3963988) – qty 3
- O-ring (PAI 121254, Cummins 3001340) – qty 1
Fits: Cummins ISB / QSB engine series.


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