Delphi FP10546 Fuel Injection Pressure Regulator

Reliable Fuel Injection Pressure Regulator for Lexus and Toyota

The Delphi FP10546 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, GS400, GS430, Highlander, LS430, RX300, and SC430 models.

• Durable metal material for long-lasting performance
• Non-adjustable design for consistent fuel pressure regulation
• Inlet port diameter: 0.51 inches (13.0 mm) with push-in type connection
• Outlet port diameter: 0.31 inches (8.0 mm) with hose type connection
• Single inlet and outlet ports for streamlined installation
• Clamp mounting type for secure attachment
• System pressure rating of 51 psi

Technical Details and Construction

The Delphi FP10546 fuel injection pressure regulator is constructed from metal to withstand the demanding conditions of the fuel system. It features a push-in inlet port with a diameter of 0.51 inches (13.0 mm) and a hose-type outlet port measuring 0.31 inches (8.0 mm). The regulator is designed with one inlet and one outlet port, simplifying installation and integration into the fuel injection system. Its clamp mounting type ensures a secure fit within the engine bay. This non-adjustable regulator maintains a system pressure of 51 psi, providing stable fuel pressure for optimal engine performance in compatible Lexus and Toyota vehicles.

Compatible Vehicles and Applications

This fuel injection pressure regulator is compatible with a range of Lexus and Toyota models, including:

• Lexus GS300, GS400, GS430
• Lexus LS430, RX300, SC430
• Toyota Highlander

It is specifically designed to replace the original equipment part, ensuring proper fit and function in these vehicles.

Common Issues Addressed by the FP10546 Regulator

• Inconsistent fuel pressure causing engine hesitation or stalling
• Fuel leaks due to worn or damaged pressure regulators
• Poor fuel economy resulting from improper fuel delivery
• Engine performance issues related to fluctuating fuel pressure
• Check engine light triggered by fuel system faults

Installation Notes and Tips

• Ensure the engine is cool before beginning installation
• Verify the inlet and outlet port sizes match your vehicle’s fuel lines
• Use appropriate clamps to secure hose connections firmly
• Inspect fuel lines for wear or damage during installation
• Follow manufacturer torque specifications for mounting clamps

Quality Assurance and Warranty

Delphi manufactures the FP10546 fuel injection pressure regulator to meet strict quality standards. The metal construction and precise engineering contribute to reliable operation and durability. While specific warranty details may vary, Delphi parts typically come with a limited warranty covering defects in materials and workmanship. Consult your parts provider for exact warranty terms.