DKI001E21003-7
Fuel Return Line Adapter
Detroit Diesel

The fuel return line adapter plays a vital role in ensuring the proper routing and secure connection of fuel return lines within diesel engine systems. This component helps maintain a balanced fuel pressure by directing excess fuel back to the tank, which is essential for preventing pressure buildup and ensuring consistent engine operation. Its robust construction resists corrosion and wear, providing long-lasting performance under demanding conditions. Proper installation of this adapter is crucial for avoiding leaks and ensuring that the return flow functions smoothly, which directly impacts engine efficiency and emission control. Maintaining this connection prevents fuel system contamination and ensures safe operation. Source One Parts Center offers this dependable adapter as part of their comprehensive inventory, supporting reliable fuel system maintenance for heavy-duty applications.