Caterpillar C15 ACERT Crankshaft PAI 370046CROSS REFERENCE: PAI 370046 APPLICATION: Caterpillar C15 ACERT Multiple Use Application. BRAND: PAI 370046 Caterpillar C15 ACERT Crankshaft PAI 370046. Heavy duty truck parts and diesel truck parts. Maintains stable power transfer and rotation. 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