Delphi HP10256 Fuel Pump Hanger Assembly

Delphi Fuel Pump Hanger Assembly Overview

The Delphi HP10256 fuel pump hanger assembly is designed for reliable fuel delivery in select Chevrolet trucks and SUVs. This in-tank electric fuel pump assembly includes a fuel level sender and is engineered to meet the specific requirements of Chevrolet Blazer, R10, R20, R30, and various Suburban and heavy-duty models.

• Compatible with Chevrolet Blazer, R10, R20, R30, V10, V20, and Suburban models
• Electric fuel pump with 12.0 volts operation
• Maximum pressure rating of 25 psi and system pressure of 14 psi
• Includes external strainer and fuel level sender assembly
• Outlet outside diameter of 0.375 inches with three hose outlets
• Two female pin terminals for secure electrical connection
• Comes with gasket, seal, float arm, lock ring, and installation instructions
• Standard replacement grade for dependable performance

Technical Details and Features

The Delphi HP10256 fuel pump hanger assembly operates at 12 volts and is designed for gasoline fuel systems. It features an electric pump type with an average flow rating of 37 liters per hour and an average current draw of 10 amps. The assembly includes an external strainer inlet and a hose-type outlet with three connections, ensuring efficient fuel flow and filtration. The fuel level sender assembly is integrated, providing accurate fuel level readings. The unit’s resistance ranges from 1.0 ohm when empty to 90.0 ohms when full, supporting precise fuel gauge operation. The included gasket and seal help maintain a secure, leak-free installation inside the fuel tank.

Compatible Chevrolet Models and Applications

This fuel pump hanger assembly is compatible with a range of Chevrolet vehicles, including Blazer, R10, R20, R30, and their Suburban variants, as well as heavy-duty models like R2500, R3500, V10, V20, and V3500. It is specifically designed for in-tank installation, making it suitable for fuel systems requiring a reliable electric pump with integrated fuel level sensing.

Common Issues Addressed by This Fuel Pump Assembly

• Intermittent or complete fuel delivery failure
• Inaccurate fuel level readings on the dashboard
• Fuel pump noise or electrical connection problems
• Fuel leaks due to worn seals or gaskets
• Reduced fuel pressure affecting engine performance

Installation Notes and Tips

When installing the Delphi HP10256 fuel pump hanger assembly, ensure the vehicle’s fuel tank is properly drained and depressurized. Use the included gasket and seal to prevent leaks and secure the lock ring tightly. Verify the correct orientation of the float arm for accurate fuel level readings. Confirm electrical connections match the two female pin terminals to avoid wiring issues. Follow the provided instructions carefully to maintain system integrity and safety.

Quality Assurance and Warranty

Delphi manufactures this fuel pump hanger assembly to meet standard replacement grade specifications, ensuring consistent performance and durability. The product includes a fuel level sender assembly and strainer for comprehensive fuel system functionality. While specific warranty details may vary, Delphi products typically come with manufacturer-backed warranties covering defects in materials and workmanship.