Autobest F4891A Fuel Pump Module Assembly

Overview of Autobest Fuel Pump Module Assembly F4891A

The Autobest Fuel Pump Module Assembly F4891A is engineered for reliable fuel delivery in select Audi models. Designed as an in-tank turbine pump, it supports efficient fuel flow and consistent engine performance for vehicles like the Audi A4, A5, S4, S5, and RS5.

• Average current draw of 17.5 amps for stable operation
• Fuel flow rating of 52.8 gallons per hour (GPH)
• Includes fuel sending unit for accurate fuel level readings
• Male racetrack-shaped connectors with two connection points
• Constructed with durable POM housing material
• Negative ground electrical system compatibility
• Single outlet with 0.311-inch hose bead type
• Internal strainer for fuel filtration (no external filter included)
• Performance grade type for enhanced fuel delivery

About the Fuel Pump Module Assembly Product Line

The Autobest Fuel Pump Module Assembly line focuses on integrated fuel delivery solutions combining the pump and sending unit into a single module. This design simplifies replacement and ensures compatibility with factory fuel systems. The F4891A model exemplifies this approach by providing a turbine-type pump with internal strainer and fuel level sensor, tailored for specific Audi applications.

Detailed Product Description

The F4891A fuel pump module assembly is an in-tank turbine pump designed to maintain consistent fuel pressure and flow for optimal engine performance. Its average flow rating of 52.8 GPH supports the fuel demands of Audi A4, A4 Quattro, A5, A5 Quattro, RS5, S4, and S5 models. The module includes a fuel sending unit, enabling accurate fuel gauge readings, but does not include a fuel filter or pressure sensor. The housing is made from POM, a durable polymer that withstands fuel exposure and heat. Electrical connections feature two male racetrack-shaped connectors, compatible with the vehicle’s wiring harness. The pump operates on a negative ground system drawing 17.5 amps on average, with a single 0.311-inch hose bead outlet for fuel delivery.

Common Applications and Issues Addressed

• Replacement for failing or noisy fuel pumps in Audi A4 and A5 series
• Restores accurate fuel level readings with integrated sending unit
• Resolves fuel delivery interruptions causing engine hesitation or stalling
• Addresses low fuel pressure issues affecting performance in S4, S5, and RS5
• Suitable for vehicles requiring a turbine-type in-tank fuel pump module

Installation Notes and Tips

This fuel pump module assembly is designed for in-tank installation and is compatible with the specified Audi models. No installation warnings are noted, but care should be taken to ensure proper connector alignment with the male racetrack plugs. Verify the negative ground system compatibility before installation. Since the module does not include a fuel filter or gasket, inspect and replace these components separately if needed during installation.

Quality Assurance and Warranty

The Autobest Fuel Pump Module Assembly F4891A is manufactured to meet performance-grade standards, ensuring reliable operation within the specified Audi vehicles. The product is available to order and backed by Autobest’s quality control processes. Warranty details should be confirmed with the distributor or manufacturer.