Walker 255-1089 Fuel Injection Pressure Regulator

Fuel Injection Pressure Regulator Overview

Walker Products 255-1089 is a fuel injection pressure regulator for select Volkswagen, Audi, Mitsubishi, Chrysler, Dodge, Buick, Oldsmobile, Pontiac, Chevrolet, and other applications. It is built to meet or exceed OEM standards and specifications, with application coverage that includes popular models such as the Volkswagen Jetta, Golf, Beetle, Passat, and Audi TT.

Walker Products has supplied fuel system components since 1946 and supports its product development with in-house manufacturing, engineering, and technical documentation. The 255-1089 part number is part of the Walker Products fuel system line for vehicles that require accurate fuel pressure control.

Key Features

• Fuel injection pressure regulator for select gasoline fuel systems
• Walker Products 255-1089 application coverage for multiple import and domestic vehicles
• Manufactured to meet or exceed OEM standards and specifications
• Supported by Walker Products engineering and product management resources
• Cross-references Standard Ignition PR160 and PR329 for the same application

Detailed Description

Walker Products 255-1089 is a replacement fuel injection pressure regulator used to maintain proper fuel pressure in the fuel delivery system. Consistent pressure control is important for drivability, fuel metering, and overall engine performance. This part number is listed for a wide range of vehicles, including Fits 1993-2005 Volkswagen Jetta, N/A; Fits 2000-2006 Audi TT, N/A; and Fits 1990-1995 Buick Regal, N/A. Additional coverage includes Fits 1993-2006 Volkswagen Golf, N/A and Fits 1998-2005 Volkswagen Beetle, N/A.

Walker Products positions this fuel injection pressure regulator within its broader fuel system and engine management portfolio, which includes injectors, sensors, repair kits, and related components. For buyers searching for a Volkswagen Jetta fuel injection pressure regulator, Audi TT fuel pressure regulator, or Walker Products 255-1089 replacement part, this listing provides direct application-based coverage.

Common Issues This Part Can Address

• Fuel pressure that is outside the specified range
• Hard starting caused by unstable fuel delivery
• Rough idle or hesitation related to fuel pressure control
• Rich or lean running conditions tied to regulator performance
• Fuel system drivability concerns on regulated injection systems

Installation Notes and Tips

Verify the vehicle application, engine configuration, and any chassis or VIN notes before ordering. Some listed applications include specific build breakpoints, such as certain 1996 Volkswagen Passat configurations and 2011-2012 Volkswagen Jetta models with fuel filter notes. Compare the original regulator and connector or mounting style to confirm match before installation.

For best results, inspect the fuel system for contamination, damaged hoses, or related wear before replacing the regulator. After installation, check for leaks and confirm fuel pressure against factory specifications.

Quality Assurance

Walker Products states that its fuel system components are manufactured to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with engineering and technical support used to maintain application accuracy and product quality.