Delphi HP10258 Fuel Pump Hanger Assembly

Delphi HP10258 Fuel Pump Hanger Assembly

Delphi HP10258 is a standard replacement fuel pump hanger assembly for gasoline applications with in-tank mounting. Built with Delphi’s OE heritage and fuel system experience, it combines the pump, fuel level sender assembly, float arm, gasket or seal, and strainer in one service part for select Chevrolet and GMC P-series vehicles.

Compatible With 1987-1995 Chevrolet P30 and 1987-1995 GMC P3500 applications, this Delphi fuel pump hanger assembly is also a direct service option for 1987-1989 Chevrolet P20 and 1988-1989 GMC P2500 models. The HP10258 part number is commonly searched for P30 fuel pump hanger assembly replacement and GMC P3500 in-tank fuel pump service.

Key Features

• 12.0-volt electric fuel pump hanger assembly for gasoline systems
• In-tank design with threaded outlet and strainer inlet
• Fuel level sender assembly included with float arm
• Gasket or seal included for service replacement
• Standard replacement construction for select Chevrolet and GMC P-series vehicles
• Average flow rating of 37 and system pressure of 14 psi
• 3-terminal female connection with pin terminals

Detailed Description

Delphi HP10258 is engineered as a fuel pump hanger assembly for in-tank gasoline fuel delivery systems. It features a threaded outlet, external strainer, and integrated fuel level sender assembly, making it a practical replacement when servicing the fuel tank module on older Chevrolet and GMC commercial chassis applications. The unit is specified with M14-1.5 inlet fitting thread size, M16-1.5 outlet fitting thread size, 10-amp average current draw, and 25.0 maximum pressure.

This part cross-references Spectra Premium SP12S1H for the same application. Delphi HP10258 is a relevant search match for Chevrolet P30 fuel pump hanger assembly and GMC P3500 fuel pump hanger assembly replacement needs.

Common Problems This Part Addresses

• Hard starting caused by weak or inconsistent fuel delivery
• Fuel gauge errors from a worn sender assembly
• Fuel starvation from a damaged or clogged in-tank pump module
• Leaks at the tank opening from deteriorated seals
• Poor pump performance from a restricted or missing strainer

Installation Notes and Tips

Before installation, clean the fuel tank thoroughly to reduce the risk of future seal problems, as noted for the listed applications. Verify connector style, thread sizes, and fuel system specifications before service. Replace the tank seal carefully and confirm the float arm moves freely after installation. Always follow the vehicle service procedure for in-tank fuel pump replacement.

Quality Assurance

Delphi draws on more than a century of OE experience and fuel system knowledge, with aftermarket parts built from that background for broad vehicle coverage. HP10258 is a standard replacement fuel pump hanger assembly for the listed Chevrolet and GMC applications.