Mack 736GB410M Fuel Injector PAI 891959CROSS REFERENCE: 736GB410M 736GB420M 25099686 25101237 APPLICATION: Mack E tech Multiple Use Application. BRAND: PAI 891959 Mack 736GB410M Fuel Injector PAI 891959. Truck repair parts and heavy truck parts. Provides controlled atomization and supports reliable combustion efficiency. 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