Delphi HFP917 Fuel Lift Pump

Delphi Fuel Lift Pump for Ford Diesel Vehicles

The Delphi HFP917 fuel lift pump is designed for reliable diesel fuel delivery in select Ford trucks and vans. This mechanical, external pump ensures consistent fuel flow and pressure for models like the Ford E-350 Econoline and F-250 series.

• Compatible with Ford E-350 Econoline, E-350 Econoline Club Wagon, F-250, F-250 HD, and F-350 diesel models
• Mechanical fuel lift pump with an average flow rating of 18 GPH
• External pump design with barbed inlet and outlet fittings
• System pressure rated at 6.5 psi for steady fuel delivery
• Inlet fitting thread size: 0.375 inch; outlet fitting thread size: 1 1/16-12 UNF
• Standard replacement grade without included gasket or strainer
• Includes fuel lift pump and instruction sheet for installation guidance

Technical Details and Features

The Delphi HFP917 is a mechanical fuel lift pump engineered for diesel fuel systems in specific Ford trucks and vans. Its external mounting design simplifies installation and maintenance. The pump features barbed inlet and outlet connections, facilitating secure hose attachment. With a flow rating of 18 gallons per hour and a system pressure of 6.5 psi, it supports consistent fuel delivery to the engine. The inlet and outlet fittings are sized at 0.375 inch and 1 1/16-12 UNF thread respectively, ensuring compatibility with factory fuel lines. This pump does not include a gasket or strainer, so those components should be sourced separately if needed.

Applications and Problem Resolution

This fuel lift pump is intended for use in diesel-powered Ford vehicles, specifically the E-350 Econoline, E-350 Econoline Club Wagon, F-250, F-250 HD, and F-350 models. It addresses common fuel system issues such as:

• Inconsistent fuel pressure causing engine hesitation or stalling
• Fuel delivery interruptions due to worn or failing lift pumps
• Difficulty starting diesel engines related to fuel supply problems
• Reduced engine performance from inadequate fuel flow
• Fuel pump failure in external mounting configurations

Installation Notes and Tips

When installing the Delphi HFP917 fuel lift pump, ensure the vehicle is compatible with this external mechanical pump design. Verify that the inlet and outlet hose sizes match the barbed fittings (0.375 inch inlet, 1 1/16-12 UNF outlet). Since the pump does not include a gasket or strainer, install appropriate seals and fuel strainers to maintain system integrity. Follow the included instruction sheet carefully to avoid leaks and ensure proper fuel flow direction. It is recommended to inspect fuel lines and connectors for wear during installation.

Quality Assurance and Warranty

Delphi manufactures the HFP917 fuel lift pump to meet standard replacement grade specifications, ensuring dependable performance in diesel fuel systems. While no specific warranty details are provided here, Delphi products typically adhere to industry quality standards. For warranty information, consult the product documentation or contact the manufacturer directly.