Paccar MX-13 2121080PE Exhaust Manifold PAI 706000OEMCROSS REFERENCE: 2121080PE 2121080 2144071PE 2144071 APPLICATION: Paccar MX 13 DETAILS: Genuine Part BRAND: PAI 706000OEM Paccar MX 13 2121080PE Exhaust Manifold PAI 706000OEM featuring OEM replacement parts. Supports USA truck parts with Genuine fit and reliable manifold function. 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