The Cummins Inc. QSB4.5-1 Fuel Filter Kit Assembly is a complete replacement for the QSB4.5-1 fuel filtration system, including a fuel filter kit along with a coupler, adapter, hose, and wiring harness. It provides the essential components needed to replace or install the fuel filtration path and maintain proper electrical connections in the engine’s fuel system. Designed specifically for Cummins QSB4.5-1 applications, this kit offers a precise fit for the engine’s fuel filtration assembly.
