Autobest F4251 Electric Fuel Pump

Reliable Electric Fuel Pump for Lexus and Toyota Vehicles

The Autobest F4251 electric fuel pump is designed to deliver consistent fuel flow and pressure for select Lexus and Toyota models. Engineered as an in-tank turbine pump, it supports optimal engine performance with precise fuel delivery.

• Average current draw of 8.5 amps for efficient operation
• Average flow rating of approximately 37 gallons per hour (GPH)
• Maximum pump pressure of 101.53 PSI and minimum pressure of 79.77 PSI
• Single male rectangular connector for secure electrical connection
• External strainer with a 0.433-inch inlet size and 0.36-inch tube outlet
• Compatible with multiple Lexus and Toyota models including GS300, IS300, Land Cruiser, and Supra
• Performance grade pump designed for in-tank installation

Product Details and Specifications

The Autobest F4251 electric fuel pump operates as a turbine-type pump installed inside the fuel tank. It features a single male rectangular connector and a male terminal gender, ensuring compatibility with factory wiring harnesses. The pump’s external strainer helps protect the fuel system by filtering contaminants before fuel enters the pump. With a flow rating near 37 GPH and operating pressures between 79.77 and 101.53 PSI, this pump supports steady fuel delivery for performance-oriented applications. Its compact dimensions (approximately 5 inches in length and 1.5 inches in width and height) allow for straightforward installation in the fuel tank assembly.

Compatible Vehicles and Applications

This electric fuel pump is compatible with a range of Lexus and Toyota vehicles, including:

• Lexus GS300, GS400, IS300, SC300, SC400, LX450, LX470
• Toyota Land Cruiser, Previa, Sequoia, Supra, Tundra

It is designed to replace original equipment pumps in these models, ensuring reliable fuel delivery for daily driving and performance needs.

Common Issues Addressed by the Autobest F4251 Fuel Pump

• Intermittent or complete fuel delivery failure
• Low fuel pressure causing engine hesitation or stalling
• Excessive current draw leading to electrical system strain
• Fuel pump noise or vibration indicating wear
• Contaminant-related fuel system blockages due to ineffective filtration

Installation Notes and Tips

The F4251 pump is designed for in-tank installation and does not include a gasket or seal, so ensure existing seals are inspected and replaced if necessary. No special installation warnings are noted, but proper handling of fuel system components and adherence to safety protocols is recommended. The single male rectangular connector simplifies wiring connections, and the external strainer should be checked for cleanliness during installation.

Quality Assurance and Warranty Information

Manufactured by Autobest, the F4251 electric fuel pump meets performance-grade standards suitable for replacement in Lexus and Toyota vehicles. The product is available to order and backed by Autobest’s quality control processes. Warranty details should be confirmed with the point of purchase or manufacturer documentation.