Caterpillar 3406E/C15 1333359 Exhaust Manifold Front/Rear PAI 381231CROSS REFERENCE: 1333359 133 3359 APPLICATION: Caterpillar 3406E C15 BRAND: PAI 381231 Caterpillar 1333359 Exhaust Manifold Front Rear PAI 381231 ensures stable exhaust performance. Replacement engine parts created for heavy duty engine parts durability. 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