Autobest HP4290 Electric Fuel Pump - In-Line

Overview of Autobest High Performance Electric Fuel Pump HP4290

The Autobest High Performance Electric Fuel Pump HP4290 is engineered for reliable fuel delivery in select Chrysler and Mercedes-Benz vehicles. Designed as an external rollervane pump, it offers consistent flow and pressure to support engine performance in models like the C36 AMG and E55 AMG.

• Average flow rating of 120 gallons per hour (GPH)
• Maximum pump pressure of 152.3 PSI and minimum pressure of 108.8 PSI
• Average current draw of 6.8 amps for efficient operation
• Includes FKM gasket/seal and strainer for secure installation and filtration
• External pump with hose barb inlet (0.641") and hose outlet (0.362")
• Rollervane pump type with two male threaded terminals
• Compatible with various Chrysler and Mercedes-Benz models including AMG series

About the High Performance Electric Fuel Pump Line

The Autobest High Performance Electric Fuel Pump line focuses on delivering consistent fuel flow and pressure for enhanced engine reliability. The HP4290 model exemplifies this with its rollervane design and robust pressure ratings, making it suitable for performance-oriented vehicles requiring precise fuel delivery.

Detailed Product Description

The HP4290 electric fuel pump by Autobest is an external rollervane pump designed to provide steady fuel flow and pressure for a range of Chrysler and Mercedes-Benz vehicles. With an average flow rating of 120 GPH and operating pressures between 108.8 and 152.3 PSI, this pump supports optimal engine performance under various driving conditions. Its average current draw of 6.8 amps ensures efficient power consumption. The pump includes a high-quality FKM gasket and a strainer to protect the fuel system from contaminants. The inlet and outlet connections are designed for hose barb and hose fittings respectively, facilitating straightforward integration into existing fuel lines. The pump terminals are male threaded types, with two terminals for secure electrical connections.

Compatible Vehicles and Applications

• Chrysler Crossfire and various AMG models including C36 AMG, C43 AMG, CLK55 AMG, and SLK32 AMG
• Mercedes-Benz E320, E420, E430, E55 AMG, and S500 among others
• Ideal for replacing faulty or underperforming external electric fuel pumps in these models
• Addresses issues such as inconsistent fuel pressure, engine hesitation, and fuel delivery interruptions

Installation Notes and Tips

The HP4290 is designed for external mounting with no specific installation warnings. Ensure proper hose barb and hose connections for inlet and outlet fittings. Verify electrical connections to the two male threaded terminals for secure and correct polarity. The pump is not designed for negative ground systems. Including the FKM gasket during installation helps maintain a secure seal and prevent leaks.

Quality Assurance and Availability

The Autobest HP4290 electric fuel pump is available to order and includes a strainer and gasket for installation. While no specific warranty information is provided, Autobest products typically meet industry standards for durability and performance. This pump is manufactured in China and undergoes quality checks to ensure reliable operation in compatible Chrysler and Mercedes-Benz vehicles.