Delphi FP10458 Fuel Injection Pressure Regulator

Reliable Fuel Injection Pressure Regulator for Saab and Subaru

The Delphi FP10458 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 Saab 9-2X and Subaru Forester and Impreza models.

• Constructed from durable metal for long-lasting performance
• Inlet port diameter: 0.43 inches (11.0 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 fuel flow
• Bolt mounting type for secure installation
• Non-adjustable design for consistent system pressure of 44 psi
• Compatible with Saab 9-2X and Subaru Forester and Impreza models

Detailed Product Description

The Delphi FP10458 fuel injection pressure regulator is a critical component in the air and fuel delivery system, responsible for maintaining the correct fuel pressure to the injectors. Its metal construction provides durability and resistance to wear, while the push-in inlet and hose outlet connections ensure a secure and leak-free fit. The regulator features a single inlet and outlet port, sized at 0.43 inches (11.0 mm) and 0.31 inches (8.0 mm) respectively, designed to match factory specifications for precise fuel flow. The bolt mounting type allows for stable attachment within the fuel system. This non-adjustable regulator maintains a system pressure of 44 psi, ensuring optimal engine performance and fuel efficiency for compatible Saab and Subaru vehicles.

Common Applications and Issues Addressed

• Maintains consistent fuel pressure for smooth engine operation
• Prevents fuel pressure fluctuations that can cause rough idling or stalling
• Helps resolve poor fuel economy related to pressure irregularities
• Reduces risk of fuel injector damage due to incorrect pressure
• Supports proper fuel delivery to improve acceleration response

Installation Notes and Tips

• Ensure the vehicle is cool and fuel system depressurized before installation
• Verify inlet and outlet port sizes match existing fuel lines (0.43 inch inlet, 0.31 inch outlet)
• Use appropriate tools to secure the bolt mounting for a firm fit
• Inspect fuel lines and connections for leaks after installation
• Consult vehicle service manual for specific removal and installation procedures

Quality Assurance and Warranty

Delphi manufactures the FP10458 fuel injection pressure regulator to meet OEM standards for fit, form, and function. The metal construction and precise engineering contribute to reliable performance in Saab 9-2X and Subaru Forester and Impreza models. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation or Delphi for exact warranty terms.