Autobest F4453A Fuel Pump Hanger Assembly

Overview of Autobest Fuel Pump Hanger Assembly F4453A

The Autobest Fuel Pump Hanger Assembly F4453A is designed for reliable fuel delivery in select BMW models. Engineered as an in-tank component, this assembly supports consistent fuel flow and pressure for vehicles like the BMW 525i, 528i, 530i, and 540i.

• Average current draw of 8 amps for efficient operation
• Fuel flow rating of 30.37 gallons per hour (GPH)
• Performance grade type for dependable fuel delivery
• Constructed with durable POM housing material
• Internal strainer inlet type with 0.748 inch inlet size
• Maximum pump pressure of 130 PSI and minimum of 80 PSI
• Negative ground electrical system compatibility
• Includes pump and hanger; no fuel filter or sending unit included

Technical Details and Specifications

The Autobest F4453A fuel pump hanger assembly is manufactured in China and designed specifically for in-tank installation. Its POM housing material ensures resistance to fuel corrosion and mechanical wear. The internal strainer with a 0.748 inch inlet size helps prevent debris from entering the fuel system, maintaining pump longevity. With a flow rating of 30.37 GPH and operating pressure range between 80 and 130 PSI, this assembly supports the fuel demands of BMW 525i, 528i, 530i, and 540i models. The unit operates on a negative ground electrical system and draws an average current of 8 amps, balancing performance and efficiency.

Compatible BMW Models and Applications

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

• BMW 525i
• BMW 528i
• BMW 530i
• BMW 540i

It is designed to replace the original in-tank fuel pump assembly, ensuring proper fuel delivery and pressure regulation for these models.

Common Issues Addressed by This Fuel Pump Assembly

• Intermittent or complete fuel delivery failure
• Low fuel pressure causing engine performance issues
• Fuel pump electrical draw inconsistencies
• Fuel contamination due to damaged or clogged strainers
• In-tank pump wear leading to reduced flow rates

Installation Notes and Tips

The Autobest F4453A is designed for direct in-tank installation without the need for additional mounting hardware or external fittings. It does not include a fuel filter, sending unit, or gasket, so verify compatibility with your existing components before installation. Ensure the vehicle’s negative ground system is properly connected to avoid electrical issues. No special installation warnings are noted, but professional installation is recommended to maintain fuel system integrity and safety.

Quality Assurance and Warranty Information

Autobest provides this fuel pump hanger assembly with a performance-grade classification, indicating suitability for demanding fuel delivery applications. The product is currently available to order and meets OEM standards for fit and function. While specific warranty details are not provided, Autobest products typically come with manufacturer-backed coverage to ensure reliability and customer confidence.