Walker 255-1095 Fuel Injection Pressure Regulator

Fuel Pressure Control for GM Applications

Walker Products 255-1095 is a fuel injection pressure regulator for a wide range of GM cars, trucks, and SUVs from 1996-2005. It is built to meet or exceed OEM standards and specifications, with application-specific notes for O-rings, retainers, and vacuum-hose style regulator setups where required.

Key Features

• Fuel injection pressure regulator for air and fuel delivery systems
• Application coverage for Buick, Chevrolet, Cadillac, GMC, Pontiac, and Hummer models
• Fits many 1996-2005 GM platforms, including Silverado, Sierra, Tahoe, Yukon, Impala, LeSabre, and Grand Prix
• Walker Products 255-1095 is backed by in-house manufacturing, engineering, and product management support
• ISO 9001 and IATF16949 certified manufacturing standards

Detailed Description

Walker Products has supplied fuel system components since 1946, and the Walker Products line focuses on OE-style fuel delivery parts for the aftermarket. Part number 255-1095 is a fuel injection pressure regulator used to maintain proper fuel pressure across supported GM applications, including 2000-2005 Pontiac Bonneville, 2004-2005 Chevrolet Impala, and 1999-2003 GMC Sierra 1500. This part cross-references Delphi FP10021 and Gates 21094 for the same application.

Compatible With 1996-2005 Buick LeSabre, 2000-2005 Pontiac Bonneville, 2000-2003 Chevrolet Tahoe, and 2000-2003 GMC Yukon, this regulator is listed across multiple engine-management configurations. The fitment data includes notes for included O-rings, retainers, and vacuum-hose-on-top regulator styles, so matching the original design is important when selecting the correct replacement.

Common Symptoms It May Address

• Hard starting caused by unstable fuel pressure
• Rich or lean running conditions from incorrect regulator output
• Fuel pressure loss after shutdown
• Rough idle or hesitation under load
• Check engine light concerns tied to fuel delivery faults

Installation Notes and Tips

Verify the original regulator style before ordering, especially on applications with O-rings, retainers, or a vacuum hose connection on top of the regulator. Confirm year, make, model, and fuel system configuration against the vehicle listing for an accurate match. For best results, inspect related fuel system seals and surrounding components during replacement.

Quality Assurance

Walker Products manufactures fuel system components to meet or exceed OEM standards and specifications. The company supports production with its own engineering, product management, and technical resources, and operates under ISO 9001/IATF16949 certified quality systems.