The Cummins 3688843 Fuel Hose is an OEM replacement fuel-line assembly designed to support high-duty transfer between the fuel tank and prime mover on 15 L ISX/QSX EPA-13 diesel engines. Built with materials engineered to resist fuel degradation, high temperature, and system vibration, it ensures consistent flow and secure connections under demanding heavy-duty conditions. This hose is suited for direct fit on compatible Cummins engine applications, helping maintain factory routing and fuel-system integrity to support reliable performance.
The Cummins 3688843 Fuel Hose is an OEM replacement fuel-line assembly designed to support high-duty transfer between the fuel tank and prime mover on 15 L ISX/QSX EPA-13 diesel engines. Built with materials engineered to resist fuel degradation, high temperature, and system vibration, it ensures consistent flow and secure connections under demanding heavy-duty conditions. This hose is suited for direct fit on compatible Cummins engine applications, helping maintain factory routing and fuel-system integrity to support reliable performance.
Features
The Cummins Fuel Hose 3688843 is used primarily on EPA13 15 liter ISX/QSX engines.