Delphi FE0544 Electric Fuel Pump - In-Tank

Reliable Electric Fuel Pump for Lexus GS and IS Models

The Delphi FE0544 electric fuel pump is designed to provide consistent fuel delivery for select Lexus vehicles. Engineered for in-tank installation, this pump supports gas fuel systems with a 12-volt power supply, ensuring steady performance for your Lexus GS300, GS350, GS450h, IS250, and IS350 models.

• Outlet outside diameter: 0.344 inches
• Voltage: 12V electric fuel pump
• Fuel type: Gasoline compatible
• Maximum pressure rating: 95 psi
• System pressure: 58 psi
• Terminal type: Male blade terminals, 2 terminals
• In-tank installation with hose outlet and strainer inlet
• Average flow rating: 35 liters per hour
• Average current draw: 10 amps
• Includes electric fuel pump, spacers, and instruction sheet

Technical Overview of Delphi FE0544 Fuel Pump

The Delphi FE0544 is a standard replacement electric fuel pump designed specifically for in-tank mounting. It features a 0.344-inch outlet diameter with a hose-type outlet and a strainer inlet to help protect the fuel system from debris. Operating at 12 volts, this pump delivers an average flow rate of 35 liters per hour and maintains system pressure at 58 psi, with a maximum pressure capacity of 95 psi. The pump uses two male blade terminals for electrical connections and draws approximately 10 amps during operation. This pump does not include a wiring harness or gasket, so ensure compatibility with your vehicle’s existing components.

Compatible Lexus Models and Applications

This electric fuel pump is compatible with a range of Lexus vehicles, including the GS300, GS350, GS450h, IS250, and IS350. It is designed to replace the original in-tank fuel pump in these models, supporting gasoline fuel systems and maintaining proper fuel pressure and flow for optimal engine performance.

• Restores fuel delivery issues such as low fuel pressure or inconsistent flow
• Replaces failing or noisy fuel pumps in Lexus GS and IS series
• Addresses engine hesitation or stalling caused by fuel pump malfunction
• Helps resolve fuel system leaks related to pump outlet connections
• Supports hybrid models like the GS450h with compatible fuel delivery requirements

Installation Notes and Tips

Installation of the Delphi FE0544 fuel pump requires removal of the fuel tank for in-tank access. Ensure the vehicle’s battery is disconnected before beginning work. Since the pump does not include a wiring harness or gasket, reuse existing components or source compatible parts as needed. Verify terminal connections match the male blade type and confirm the outlet hose diameter fits your vehicle’s fuel lines. Follow the included instruction sheet carefully to avoid damage during installation.

Quality Assurance and Warranty Information

Delphi electric fuel pumps are manufactured to meet OEM standards for fit, form, and function. The FE0544 is a standard replacement part designed to provide reliable fuel delivery for compatible Lexus models. While specific warranty details may vary, Delphi typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or your parts supplier for exact warranty terms.