4BT3.9 Cummins Hexagon Head Cap Screw 3901395 Parts Catalog Ref No. Part Name Part No. Required 1 Hexagon Head Cap Screw 3901395 8 2 Clamping Ring 3923049 1 Above is the introduction of the 3901395 Cummins Hexagon Head Cap Screw, while if you need Hexagon Head Cap Screw 3901395, complete Cummins engine or other Cummins product, please further consult our …