3929806 Injector Fuel Supply Tube

The 3929806 injector fuel supply tube is compatible with Cummins QSC8.3, 6C8.3, ISBE4 and QSB6.7 engines. Specially constructed to handle high fuel working pressure, it prevents pressure drop which would cause insufficient power. Resistant to continuous engine vibration, it stays reliable in medium?duty vehicle and equipment operating environments.