Mercedes Benz OM460 A4600160720 Head Gasket PAI 631494CROSS REFERENCE: 4600160720 A4600160720 APPLICATION: Mercedes Benz OM460 Multiple Use Application. BRAND: PAI 631494 Mercedes Benz OM460 A4600160720 Head Gasket PAI 631494. Aftermarket truck parts and truck repair parts. Supports engine sealing and maintains stable 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