Walker 255-1093 Fuel Injection Pressure Regulator

Fuel Pressure Control for Ford and Mazda Applications

Walker Products 255-1093 is a fuel injection pressure regulator built for specific Ford and Mazda fuel system applications. It is a direct-fit style replacement for vehicles that need stable fuel pressure control to support consistent injector performance and drivability.

Compatible With 1990-1999 Ford Ranger, 1991-1998 Ford Explorer, 1990-1997 Ford Aerostar, 1994-1997 Mazda B4000, and 1992-1994 Mazda Navajo. Walker Products 255-1093 is also a cross-reference for Delphi FP10044 and Standard Ignition PR61 / PR202 applications.

Key Features

• Fuel injection pressure regulator for selected Ford and Mazda vehicles
• Walker Products fuel system component backed by engineering and product support
• Manufactured to meet or exceed OEM standards and specifications
• ISO 9001 / IATF16949 certified manufacturing environment
• Direct application coverage for Ranger, Explorer, Aerostar, B4000, and Navajo fitments

Product Details

The Walker Products 255-1093 fuel injection pressure regulator helps maintain the fuel pressure required by the injection system on covered Ford Ranger, Ford Explorer, Ford Aerostar, Mazda B4000, and Mazda Navajo applications. Walker Products has supplied fuel system components since 1946 and supports its aftermarket parts with in-house manufacturing, engineering, and technical documentation. This part number, 255-1093, is listed for multiple model years across the 1990s, making it a practical replacement when the original regulator is worn or no longer holding pressure correctly.

Common Issues This Part May Address

• Hard starting caused by unstable fuel pressure
• Rich or lean running conditions from a failing regulator
• Fuel pressure that drops too quickly after shutdown
• Rough idle or hesitation related to inconsistent injector supply
• Fuel delivery problems on Ford Ranger, Explorer, Aerostar, Mazda B4000, or Mazda Navajo applications

Installation Notes and Tips

Verify the vehicle year, make, and model against the listed fitment before installation. Inspect the fuel system for damaged hoses, seals, or contamination before replacing the regulator. After installation, check for leaks and confirm fuel pressure meets the vehicle’s service specifications. For best results, follow the factory service procedure for the specific application.

Quality Assurance

Walker Products manufactures fuel system components to meet or exceed OEM standards and specifications. The company’s ISO 9001 / IATF16949 certified production process and engineering support help ensure consistent part accuracy and application coverage for part number 255-1093.