Cummins 4026627 Exhaust Manifold Coupling PAI 042056OEMCROSS REFERENCE: 4026627 APPLICATION: Cummins Multiple Use Application. DETAILS: Genuine Part BRAND: PAI 042056OEM Cummins 4026627 Exhaust Manifold Coupling PAI 042056OEM. Heavy truck parts and OEM replacement parts. Controls exhaust connection stability. 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