Delphi FP10478 Fuel Injection Pressure Regulator

Reliable Fuel Injection Pressure Regulator for Lexus and Toyota

The Delphi FP10478 fuel injection pressure regulator is designed to maintain consistent fuel pressure in your vehicle's fuel injection system. Engineered with durable metal construction, this regulator ensures precise fuel delivery for Lexus GS300, Toyota Supra, and Toyota SC300 models.

• Durable metal material for long-lasting performance
• Non-adjustable design for consistent fuel pressure regulation
• Inlet port diameter: 0.43 inches (11.0 mm) with push-in type connection
• Outlet port diameter: 0.39 inches (10.0 mm) with threaded outlet
• Single inlet and outlet ports for streamlined fuel flow
• Bolt mounting type for secure installation
• System pressure rating of 43 psi

Product Details and Specifications

The Delphi FP10478 fuel injection pressure regulator is constructed from metal to withstand the demands of fuel system operation. It features a push-in inlet port with a diameter of 0.43 inches (11.0 mm) and a threaded outlet port measuring 0.39 inches (10.0 mm). This regulator is designed with one inlet and one outlet port, facilitating efficient fuel flow control. The mounting type is bolt-on, providing a secure and stable fitment in the fuel injection system. With a system pressure rating of 43 psi, this regulator maintains optimal fuel pressure for smooth engine performance. The non-adjustable design ensures consistent regulation without the need for manual tuning.

Compatible Vehicles and Applications

This fuel injection pressure regulator is compatible with select Lexus and Toyota models, including:

• Lexus GS300
• Toyota Supra
• Toyota SC300

It is specifically engineered to meet the fuel system requirements of these vehicles, ensuring proper fuel pressure regulation and engine efficiency.

Common Issues Addressed by the FP10478 Regulator

• Fuel pressure fluctuations causing engine performance issues
• Inconsistent fuel delivery leading to rough idling or stalling
• Fuel leaks due to worn or damaged pressure regulators
• Poor fuel economy resulting from improper fuel pressure
• Check engine light triggered by fuel system faults

Installation Notes and Tips

When installing the Delphi FP10478 fuel injection pressure regulator, ensure the mounting bolts are securely fastened to prevent fuel leaks. The push-in inlet port and threaded outlet require proper connection to the fuel lines to maintain system integrity. It is recommended to inspect fuel lines and related components for wear or damage during installation. Professional installation is advised to ensure correct fitment and function.

Quality Assurance and Warranty

Delphi manufactures the FP10478 fuel injection pressure regulator to meet strict quality standards. The metal construction provides durability and resistance to fuel system conditions. While specific warranty details are not provided, Delphi products typically adhere to industry quality controls to ensure reliable operation in compatible Lexus and Toyota vehicles.