Caterpillar 1338940 Turbo Drain Tube PAI 380370CROSS REFERENCE: 1338940 133 8940 APPLICATION: Caterpillar 3406E C15 Multiple Use Application. BRAND: PAI 380370 Caterpillar 1338940 Turbo Drain Tube PAI 380370. Truck repair parts and heavy truck parts. Supports stable turbo lubrication flow. 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 brand new