Autobest F4398A Fuel Pump Module Assembly

Overview of Autobest Fuel Pump Module Assembly F4398A

The Autobest Fuel Pump Module Assembly F4398A is designed specifically for Porsche 911 and Boxster models. This in-tank fuel pump module delivers consistent fuel flow and pressure to support optimal engine performance.

• Average current draw of 7.5 amps for efficient power consumption
• Fuel flow rating of 26.4 gallons per hour (GPH)
• Maximum pump pressure of 100 PSI and minimum pressure of 80 PSI
• Constructed with durable POM housing material and FKM gasket seal
• Internal strainer inlet type with a 1.763-inch inlet size
• Single outlet with 5/16-inch quick connect fitting
• Designed as an in-tank fuel pump module assembly

Technical Details and Specifications

The Autobest F4398A fuel pump module assembly is engineered to meet the fuel delivery requirements of Porsche 911 and Boxster vehicles. It features a POM (polyoxymethylene) housing that provides chemical resistance and mechanical strength. The internal strainer inlet ensures fuel filtration before entering the pump, although this module does not include a separate fuel filter or fuel sending unit. The FKM gasket material offers reliable sealing under various operating conditions. With a fuel flow rating of 26.4 GPH and operating pressure between 80 and 100 PSI, this module supports consistent fuel supply for regular grade fuel systems.

Compatible Vehicles and Applications

This fuel pump module assembly is compatible with the following Porsche models:

• Porsche 911
• Porsche Boxster

It is designed for use in fuel delivery systems requiring an in-tank pump with a quick connect outlet and internal strainer. The part number F4398A ensures proper fitment and performance for these specific vehicles.

Common Issues Addressed by This Fuel Pump Module

• Intermittent or low fuel pressure causing engine hesitation
• Fuel pump failure resulting in no-start conditions
• Reduced fuel flow affecting engine power and efficiency
• Fuel delivery inconsistencies due to worn or damaged pump components
• Replacement of aging or faulty in-tank fuel pump assemblies

Installation Notes and Tips

The Autobest F4398A is an in-tank fuel pump module assembly designed for direct replacement. It does not include mounting hardware, fuel filter, or fuel sending unit, so verify compatibility with your vehicle’s existing components before installation. The quick connect outlet simplifies fuel line connection. Ensure the fuel tank is properly depressurized and follow manufacturer safety guidelines during removal and installation.

Quality Assurance and Warranty

Manufactured in China, the Autobest F4398A fuel pump module assembly is available to order and meets industry standards for fuel delivery components. While specific warranty details are not provided, Autobest products typically undergo quality control testing to ensure reliable operation in Porsche 911 and Boxster applications.