Cummins 3909356 Genuine Injector Dust Seal O-Ring

This Cummins 3909356 Genuine Injector Dust Seal O-Ring will replace the torn O-ring on your P-pumped 2nd Gen Dodge with 5.9L. This old factory O-ring can get oil-soaked and break down over time. This new O-ring will help keep out dust and debris. This O-ring requires 6 per engine and is sold individually.