Delphi FP10393 Fuel Injection Pressure Regulator

Fuel Pressure Control for OE-Style Repair

The Delphi FP10393 fuel injection pressure regulator is built for precise fuel system control in select Dodge trucks and vans from 1988-1991. With OE heritage behind the design, this metal regulator supports stable system pressure for reliable fuel delivery in the applications listed below.

Compatible with Dodge B150, B250, B350, D150, D250, D350, Dakota, Ramcharger, W150, W250, W350, D100, and W100 applications, the Delphi FP10393 is a direct-fit fuel injection pressure regulator for service and replacement work.

Key Features

• Metal construction for fuel system durability
• Fixed-pressure design; not adjustable
• Push-in inlet and outlet connections
• One inlet port and one outlet port
• Bolt-mounted installation style
• 52 psi system pressure specification
• No gauge port
• OE-based engineering from Delphi

Detailed Description

Delphi FP10393 is a fuel injection pressure regulator engineered for vehicles that require a 52 psi fuel system pressure setting. It uses a push-in inlet and outlet layout with 10.0 mm inlet port diameter and 6.0 mm outlet port diameter, along with a bolt-mount design for secure placement. This regulator is a practical replacement choice for maintaining consistent fuel pressure in 1988-1991 Dodge B150, B250, B350, D150, D250, D350, Dakota, Ramcharger, W150, W250, W350, D100, and W100 models.

This part cross-references Dorman OE Solutions 800-300 and Gates 22809 for the same application. The Delphi FP10393 also aligns with OE-style replacement needs where accurate pressure regulation is required for fuel injection performance.

What It Helps Address

• Fuel pressure that is too high or too low
• Hard starting caused by unstable fuel delivery
• Rough idle related to inconsistent injector pressure
• Fuel trim issues tied to regulator wear
• Driveability problems in fuel-injected Dodge trucks and vans

Installation Notes and Tips

Verify inlet and outlet port sizes, push-in connection style, and mounting location before installation. Confirm the vehicle’s fuel system is specified for 52 psi and match the regulator to the exact application listed for your Dodge B150, D250, or Dakota service job. Inspect surrounding fuel lines and seals during replacement to help ensure proper fit and sealing.

Quality Assurance

Delphi draws on more than a century of OE experience and supplier knowledge used by major automakers. That OE background is reflected in the FP10393 fuel injection pressure regulator, which is built to meet the demands of service replacement in the listed Dodge applications.