Cummins 6B 3909696 Fuel Drain Manifold PAI 180320CROSS REFERENCE: 3905117 3905691 3909696 APPLICATION: Cummins 6B Multiple Use Application. BRAND: PAI 180320 Cummins 6B 3909696 Fuel Drain Manifold PAI 180320. Replacement truck parts and aftermarket truck parts. Maintains controlled fuel circulation. 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 built