Cummins 6B 5.9L 3917760 Timing Gear Housing PAI 060078OEMCROSS REFERENCE: 3917760 3911712 APPLICATION: Cummins 6B 5. 9L Multiple Use Application. DETAILS: Genuine Parts BRAND: PAI 060078OEM Cummins 6B 5. 9L 3917760 Timing Gear Housing PAI 060078OEM. Diesel truck parts and heavy duty truck parts. Maintains alignment. 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 part is