Description
New PAI replacement timing cover gasket kit, part number 131685-171, for Cummins ISB and QSB engines. Confirm fitment by original part number before ordering.
What comes in this kit:
- O-Ring (PAI 121321, OEM 3679139) – qty 1
- Rectangular Sealing Ring (PAI 121258, OEM 3906698) – qty 1
- Gear Housing Gasket (PAI 131695, OEM 3947814) – qty 1
Fits: Cummins ISB / QSB.


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