Caterpillar C15 6I0901 Rocker Arm Shaft PAI 392130CROSS REFERENCE: 6I0901 3078322 307 8322 APPLICATION: Caterpillar C15 Multiple Use Application. BRAND: PAI 392130 Caterpillar C15 6I0901 Rocker Arm Shaft PAI 392130. Truck components and heavy duty parts. Maintains stable valve train operation. 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