Cummins 6B 3929886 Camshaft PAI 191899CROSS REFERENCE: 3929886 229 2432 3930427 3930598 APPLICATION: Cummins 6B 5. 9 Multiple Use Application. BRAND: PAI 191899 Cummins 6B 3929886 Camshaft PAI 191899. Replacement truck parts and aftermarket truck parts. Helps maintain consistent valve train performance. 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 industry. This