Delphi FP10442 Fuel Injection Pressure Regulator

Delphi FP10442 Fuel Pressure Regulator

The Delphi FP10442 fuel injection pressure regulator is built for precise fuel system control in select Honda applications. It is a metal, bolt-mounted regulator with a push-in inlet, hose outlet, and a fixed 39 psi system pressure specification.

Compatible with 1985-1987 Honda Civic, this Delphi fuel injection pressure regulator supports consistent fuel delivery for drivability-focused repairs. The FP10442 reflects Delphi’s OE heritage and fuel system experience, bringing application-specific engineering to the aftermarket.

Key Features

• Fuel injection pressure regulator for air and fuel delivery systems
• Metal construction for fuel system durability
• Fixed 39 psi system pressure
• Push-in inlet and hose outlet configuration
• Single inlet and single outlet design
• Bolt mounting type for secure installation
• No gauge port and non-adjustable design
• Fits 1985-1987 Honda Civic, N/A

Detailed Description

Delphi FP10442 is a fuel injection pressure regulator engineered for select 1985-1987 Honda Civic models. It uses a push-in inlet with an 11.0 mm inlet port diameter and a hose-style outlet with an 8.0 mm outlet port diameter. The regulator is non-adjustable and calibrated to a 39 psi system pressure, making it a direct-spec replacement for vehicles that require this fuel pressure setting. If you are searching for a Honda Civic fuel pressure regulator, Honda Civic fuel injection pressure regulator, or Delphi FP10442 replacement, this part matches the listed application and connection style.

This part cross-references Gates 21891 for the same application.

Common Issues This Part May Address

• Fuel pressure that is too high or too low for the specified system
• Hard starting caused by unstable fuel delivery
• Rough idle related to inconsistent injector pressure
• Fuel mixture concerns tied to regulator wear
• Driveability problems on 1985-1987 Honda Civic fuel systems

Installation Notes and Tips

Verify inlet and outlet port sizes, mounting style, and system pressure before installation. Confirm the vehicle uses the listed push-in inlet and hose outlet configuration, and inspect fuel lines and seals for wear before reassembly. Because the FP10442 is non-adjustable, correct application matching is important for proper operation.

Quality Assurance

Delphi draws on more than a century of OE experience and supplier knowledge from top automakers, with that heritage reflected in its aftermarket fuel system components. The FP10442 is built to align with the original equipment-style requirements of the listed Honda Civic applications.