Caterpillar 1376716 Camshaft PAI 391913CROSS REFERENCE: 1376716 137 6716 0R5559 1406186 140 6186 1293191 129 3191 APPLICATION: Caterpillar 3126B 3126 Series Multiple Use Application. BRAND: PAI 391913 Caterpillar 1376716 Camshaft PAI 391913. Aftermarket truck parts and truck repair parts. Provides valve control support and maintains stable timing for reliable performance. All components are proudly manufactured in the U. S. A. by PAI Industries Inc., an ISO9001 certified company with over