QSL9 Cummins Fuel Manifold 3963815 Parts Catalog Ref No. Part Name Part No. Required 　 Injector Plumbing PP98356 　 1 Hexagon Flange Head Cap Screw 3904446 3 2 Injector Fuel Supply Connector Retainer 3946625 6 3 Safety Decal 4938452 2 4 Fuel Manifold 3963815 1 5 Injector Fuel Supply Tube 3964141 1 6 Injector Fuel Supply Tube 3964142 3 7 …