Cummins 6B 3929037 Crankshaft PAI 171711ECROSS REFERENCE: 3903828 3905619 3907804 3915259 3916191 3929037 APPLICATION: Cummins 6B Multiple Use Application. BRAND: PAI 171711E Cummins 6B 3929037 Crankshaft PAI 171711E. Truck parts and diesel parts. Maintains balanced crankshaft movement and supports power delivery. All components are proudly manufactured in the U. S. A. by PAI Industries Inc., an ISO9001 certified company with over 50 years of experience in the heavy duty truck parts