Delphi FP10515 Fuel Injection Pressure Regulator

Reliable Fuel Injection Pressure Regulator for Honda, Lexus, and Toyota

The Delphi FP10515 fuel injection pressure regulator is engineered to maintain consistent fuel pressure in your vehicle's fuel injection system. Designed specifically for select Honda Accord, Lexus ES250, ES300, Land Cruiser, LX450, and Toyota Camry models, this metal regulator ensures precise fuel delivery for optimal engine performance.

Key Features of Delphi FP10515 Fuel Injection Pressure Regulator

• Durable metal construction for long-lasting performance
• Threaded inlet port with a diameter of 0.47 inches (12.0 mm)
• Hose-type outlet port with a diameter of 0.31 inches (8.0 mm)
• Single inlet and outlet ports for streamlined fuel flow
• Clamp mounting type for secure installation
• Non-adjustable design calibrated for 44 psi system pressure

Detailed Description and Specifications

The Delphi FP10515 fuel injection pressure regulator is crafted from metal to withstand the demands of the fuel injection system. It features a threaded inlet port measuring 0.47 inches (12.0 mm) in diameter, allowing a secure connection to the fuel line. The outlet port is hose-type with a diameter of 0.31 inches (8.0 mm), facilitating proper fuel flow to the injectors. This regulator is designed with one inlet and one outlet port, simplifying installation and maintenance. The clamp mounting type ensures the regulator remains firmly in place under various driving conditions. The unit is non-adjustable and calibrated to maintain a system pressure of 44 psi, which is critical for consistent fuel delivery and engine efficiency. Compatible with Honda Accord, Lexus ES250, ES300, Land Cruiser, LX450, and Toyota Camry models, the FP10515 part number is a direct replacement for maintaining factory specifications.

Common Applications and Issues Addressed

• Maintains consistent fuel pressure for smooth engine operation
• Prevents fuel pressure fluctuations that can cause poor acceleration
• Helps resolve rough idling caused by fuel delivery inconsistencies
• Reduces risk of engine stalling due to improper fuel pressure
• Supports optimal fuel injector performance in compatible Honda, Lexus, and Toyota vehicles

Installation Notes and Tips

• Ensure the vehicle is depressurized before removing the old regulator
• Verify inlet and outlet port sizes match existing fuel lines (0.47 inch inlet, 0.31 inch outlet)
• Use appropriate clamps to secure the regulator firmly in place
• Check for fuel leaks after installation and before starting the engine
• Consult vehicle service manual for specific torque specifications and procedures

Quality Assurance and Warranty Information

Delphi manufactures the FP10515 fuel injection pressure regulator to meet strict OEM standards, ensuring reliable performance and durability. The metal construction and precise calibration contribute to consistent fuel system operation. While specific warranty terms may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship. Always verify warranty details with the parts provider or vehicle manufacturer.