Delphi FP10554 Fuel Injection Pressure Regulator

Delphi Fuel Injection Pressure Regulator Overview

The Delphi FP10554 fuel injection pressure regulator is designed specifically for Mazda MPV models, ensuring precise fuel pressure control within the fuel injection system. Crafted from durable metal, this component maintains consistent fuel delivery to optimize engine performance.

• Constructed from high-quality metal for durability
• Compatible with Mazda MPV fuel injection systems
• Inlet port diameter: 0.43 inches (11.0 mm), push-in type
• Outlet port diameter: 0.31 inches (8.0 mm), hose type
• Single inlet and outlet ports for streamlined fuel flow
• Mounting type: bolt for secure installation
• Non-adjustable design for reliable factory-set pressure regulation
• System pressure rating: 44 psi

Detailed Product Description

The Delphi FP10554 fuel injection pressure regulator is engineered to maintain a steady fuel pressure of 44 psi within the fuel injection system of Mazda MPV vehicles. Its metal construction provides resistance to wear and corrosion, contributing to long-term reliability. The regulator features a push-in inlet port with a diameter of 0.43 inches (11.0 mm) and a hose-type outlet port measuring 0.31 inches (8.0 mm), each with a single port to ensure efficient fuel flow. The bolt mounting type allows for secure attachment to the vehicle’s fuel system, minimizing the risk of leaks or disconnections. This non-adjustable regulator is designed to maintain factory-specified pressure without the need for manual adjustments, supporting consistent engine performance and fuel efficiency.

Common Applications and Issues Addressed

• Maintains proper fuel pressure for optimal engine operation in Mazda MPV
• Prevents fuel pressure fluctuations that can cause rough idling or stalling
• Addresses fuel delivery inconsistencies leading to poor acceleration
• Helps reduce engine hesitation caused by incorrect fuel pressure
• Supports fuel system integrity by preventing leaks and pressure loss

Installation Notes and Tips

• Ensure the vehicle is cool and fuel system pressure is relieved before installation
• Verify inlet and outlet port sizes match existing fuel lines (0.43 inch inlet, 0.31 inch outlet)
• Use appropriate tools to securely bolt the regulator in place without over-tightening
• Inspect fuel lines and connections for wear or damage during installation
• Test fuel system pressure after installation to confirm proper operation

Quality Assurance and Warranty

Delphi manufactures the FP10554 fuel injection pressure regulator to meet strict quality standards, using durable metal materials and precise engineering. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship. This ensures that the fuel injection pressure regulator performs reliably when installed according to manufacturer guidelines.