Delphi HFP906 Fuel Lift Pump

Reliable Diesel Fuel Lift Pump for Chevrolet and GMC Trucks

The Delphi HFP906 fuel lift pump is designed for diesel-powered Chevrolet and GMC trucks, including models like the Blazer, C10, and Suburban series. This mechanical external pump delivers consistent fuel pressure and flow to support your vehicle's fuel system performance.

• Fuel Type: Diesel
• Maximum Pressure: 9 psi
• System Pressure: 7.5 psi
• Average Flow Rating: 30 GPH
• Inlet Type: Barbed fitting with 0.375 thread size
• Outlet Type: Flare fitting with 5/8-18 UNF thread size
• Includes gasket and instruction sheet
• External mechanical pump design
• Standard replacement grade

Technical Overview of the Delphi HFP906 Fuel Lift Pump

The Delphi HFP906 is a mechanical fuel lift pump engineered for diesel fuel delivery in a range of Chevrolet and GMC trucks, including the C10, C20, K5 Blazer, and Suburban models. Its external mounting design allows for straightforward installation and maintenance. The pump features a barbed inlet and flare outlet fittings, ensuring secure connections with standard fuel lines. With a maximum pressure rating of 9 psi and a system pressure of 7.5 psi, it maintains steady fuel flow at an average of 30 gallons per hour, supporting optimal engine performance under various operating conditions.

Compatible Vehicles and Applications

This fuel lift pump is compatible with a wide range of Chevrolet and GMC diesel trucks, including:

• Chevrolet Blazer and K5 Blazer
• Chevrolet C10, C20, C30, and their Suburban variants
• Chevrolet C1500, C2500, C3500 series
• GMC Jimmy, G20, G30, and Suburban models
• Heavy-duty models such as K10, K20, K30, K1500, K2500, K3500
• Van models including P20, P30, P2500, P3500
• R-series trucks like R10, R20, R30, R1500, R2500, R3500
• V-series trucks including V10, V20, V30, V1500, V2500, V3500

Common Issues Addressed by the Delphi HFP906

• Inconsistent fuel delivery causing engine hesitation or stalling
• Low fuel pressure affecting engine performance
• Fuel pump failure due to wear or contamination
• Leaks or damaged seals in the fuel lift pump assembly
• Replacement of worn or faulty mechanical fuel pumps in diesel trucks

Installation Notes and Tips

• Ensure the vehicle is off and cooled before beginning installation
• Use the included gasket to prevent fuel leaks at the mounting surface
• Verify inlet and outlet fitting sizes (0.375 inch barbed inlet, 5/8-18 UNF flare outlet) match your fuel lines
• Check fuel lines for wear or damage and replace if necessary
• Follow the instruction sheet carefully for proper mounting orientation and torque specifications

Quality Assurance and Warranty Information

The Delphi HFP906 fuel lift pump is manufactured to meet standard replacement grade specifications, ensuring reliable performance and durability. It includes a gasket and detailed installation instructions to support proper fitment and function. Delphi products typically come with a limited warranty covering defects in materials and workmanship; please refer to Delphi's official warranty policy for specific terms.