Delphi FP10487 Fuel Injection Pressure Regulator

Fuel Pressure Control for Porsche and Audi

The Delphi FP10487 fuel injection pressure regulator is built for precise fuel system control in select Porsche and Audi applications. With OE-based engineering and a metal construction, it helps maintain the specified 55 system pressure for consistent fuel delivery.

Key Features

• Fuel injection pressure regulator for air and fuel delivery systems
• Metal construction for durable fuel system service
• Fixed-pressure design with 55 system pressure
• Push-in inlet and threaded outlet for the specified fuel line connections
• One inlet, one outlet, and bolt mounting type
• No gauge port and non-adjustable design
• Delphi FP10487 for direct replacement service

Detailed Description

Delphi FP10487 is a fuel injection pressure regulator engineered for select Porsche 944, Porsche 968, and Audi V8 Quattro models. It uses a push-in inlet, threaded outlet, and bolt-mounted design to match the original fuel system layout, while the metal body supports dependable operation in demanding underhood conditions. Delphi draws on OE heritage and supplier experience with major automakers, and that background is reflected in the fit and function of this replacement part. This part cross-references Gates 21852 for the same application.

What It Helps Address

• Fuel pressure that is outside the specified range
• Hard starting caused by unstable fuel delivery
• Rough idle related to inconsistent injector pressure
• Fuel starvation symptoms under load
• Fuel system drivability issues on Porsche 944, Porsche 968, and Audi V8 Quattro applications

Installation Notes and Tips

• Verify inlet and outlet port sizes before installation: 13.0 mm inlet and 14.0 mm outlet are listed.
• Confirm the vehicle uses the specified push-in inlet and threaded outlet configuration.
• Check engine number notes for 1989 Porsche 944 applications, including From Engine#46K 02980 and From Engine #46K 61256.
• Inspect fuel lines, seals, and mounting points during replacement to ensure proper sealing and secure fitment.
• Use the vehicle service information to confirm fuel pressure regulator location and system specifications.

Quality Assurance

Delphi builds this regulator with OE experience and knowledge developed through service to major automakers. The FP10487 is engineered to meet the fuel system requirements of the listed Porsche and Audi applications.