Delphi HP10258 Fuel Pump Hanger Assembly

Delphi Fuel Pump Hanger Assembly Overview

The Delphi HP10258 fuel pump hanger assembly is designed for reliable fuel delivery in select Chevrolet and GMC vehicles. This in-tank electric fuel pump assembly ensures consistent fuel pressure and flow, supporting optimal engine performance for models like the Chevrolet P20, P30, P2500, and GMC P3500.

• 12.0 Volt electric fuel pump with integrated fuel level sender assembly
• Maximum pressure rating of 25.0 psi and system pressure of 14 psi
• Includes external strainer and gasket/seal for secure installation
• Three female pin terminals with threaded outlet fittings (M16-1.5)
• Designed for gasoline fuel systems with an average flow rating of 37

Technical Specifications and Features

The HP10258 fuel pump hanger assembly operates at 12 volts and is engineered for gasoline fuel systems. It features a maximum pressure of 25 psi and maintains a system pressure of 14 psi, suitable for maintaining consistent fuel delivery. The assembly includes a fuel level sender with a float arm, providing accurate fuel level readings. The external strainer inlet (M14-1.5 thread size) helps prevent debris from entering the pump, while the threaded outlet fittings ensure secure fuel line connections. The unit draws an average current of 10 amps and offers resistance values ranging from 1.0 ohm (empty) to 90.0 ohms (full), supporting precise fuel level measurement.

Compatible Vehicles and Applications

This fuel pump hanger assembly is compatible with the following vehicles:

• Chevrolet P20
• Chevrolet P30
• Chevrolet P2500
• GMC P3500

It is designed specifically for in-tank installation, making it a direct replacement for the original equipment in these models.

Common Issues Addressed by the Delphi HP10258

• Fuel delivery interruptions causing engine hesitation or stalling
• Inaccurate fuel level readings due to faulty sender assemblies
• Fuel pump failure from clogged strainers or worn components
• Leaks or poor sealing from damaged gaskets or seals
• Electrical connection problems related to terminal corrosion or damage

Installation Notes and Tips

When installing the Delphi HP10258 fuel pump hanger assembly, ensure the following:

• Verify compatibility with your Chevrolet or GMC model and year
• Handle the float arm carefully to avoid damage to the fuel level sender
• Use the included gasket and seals to prevent fuel leaks
• Confirm proper terminal connections with the three female pin terminals
• Check that the threaded inlet and outlet fittings are securely tightened

Quality Assurance and Warranty

Delphi manufactures the HP10258 as a standard replacement part meeting OEM specifications. The assembly includes all necessary components such as the lock ring, float arm, and seals. While specific warranty details may vary, Delphi parts typically come with a limited warranty covering defects in materials and workmanship to ensure dependable performance.