Delphi FE0403 Electric Fuel Pump - In-Tank

Reliable Electric Fuel Pump for Acura RSX

The Delphi FE0403 electric fuel pump is designed specifically for in-tank installation in Acura RSX models. Operating at 12 volts and compatible with gasoline fuel systems, this pump delivers consistent fuel flow and pressure to support optimal engine performance.

• Outlet outside diameter: 0.375 inches for precise hose connection
• Voltage: 12V electric operation suitable for standard automotive systems
• Fuel type: Gasoline compatible
• Maximum pressure: 94 psi, with a system pressure rating of 51 psi
• Terminal type: Male pin terminals, quantity of 2 for secure electrical connection
• In-tank design for direct fuel delivery and quieter operation
• Average current draw: 10 amps, average flow rating: 20 liters per hour
• Includes electric fuel pump and instruction sheet; no gasket, wiring harness, or strainer included

Product Details and Specifications

The Delphi FE0403 electric fuel pump is engineered to meet the fuel delivery requirements of Acura RSX vehicles. Its in-tank configuration helps maintain consistent fuel pressure and flow, supporting engine efficiency and responsiveness. The pump features a 0.375-inch outlet diameter designed for hose connections and uses male pin terminals for reliable electrical contact. Operating at 12 volts, it provides a maximum pressure of 94 psi and maintains a system pressure of 51 psi, ensuring stable fuel supply under various driving conditions. The average current draw is 10 amps, with a flow rating of 20 liters per hour, suitable for standard replacement needs.

Common Applications and Problem Resolution

• Replaces failing or noisy fuel pumps in Acura RSX models
• Restores proper fuel pressure to prevent engine hesitation or stalling
• Addresses fuel delivery issues causing poor acceleration or rough idling
• Solves intermittent fuel pump electrical connection problems
• Supports fuel system maintenance and performance restoration

Installation Notes and Tips

Installation of the Delphi FE0403 fuel pump requires removal of the fuel tank for in-tank mounting. Ensure all electrical connections use the correct male pin terminals and verify the outlet hose diameter matches the 0.375-inch specification. Since the package does not include a gasket, wiring harness, or strainer, these components should be inspected and replaced as needed during installation. Follow the included instruction sheet carefully to maintain safety and proper function.

Quality Assurance and Warranty

Delphi manufactures the FE0403 as a standard replacement electric fuel pump, meeting OEM specifications for Acura RSX vehicles. While no specific warranty details are provided, Delphi products typically adhere to industry quality standards to ensure reliable operation and durability in automotive fuel delivery systems.