Walker
Walker Products

Walker 255-1068 Fuel Injection Pressure Regulator

Brand Walker 255-1068
Product line Walker Products
Fits Buick, Chevrolet, Pontiac, and Oldsmobile · 56 vehicles

OEM-standard quality. Built to meet or exceed OEM standards and specifications.

Fuel system expertise. From a company serving automotive fuel needs since 1946.

Engine management line. Part of Walker Products' fuel injection and related components range.

Cross-references Gates 22855, Remy 21093 and Standard Ignition PR190 for the same application. See all 9.

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Fuel Pressure Control for GM Applications

Walker Products 255-1068 is a fuel injection pressure regulator built for select Buick, Chevrolet, Oldsmobile, and Pontiac applications. It is listed with included O-rings and is intended to restore stable fuel pressure control in vehicles such as the Buick Regal, Pontiac Grand Prix, and Chevrolet Impala.

Walker Products has supplied fuel system components since 1946 and manufactures to meet or exceed OEM standards and specifications. The Walker Products line focuses on fuel delivery and engine management parts, including fuel injection repair components, sensors, injectors, and related gaskets.

Key Features

  • Fuel injection pressure regulator for select GM fuel systems
  • Walker Products 255-1068 application-specific replacement part
  • Includes O-rings for the listed applications
  • Built to meet or exceed OEM standards and specifications
  • Supported by Walker Products engineering and technical resources

Detailed Description

The Walker Products 255-1068 fuel injection pressure regulator is designed for direct replacement in a range of GM vehicles, including the Buick Park Avenue, Buick Regal, Buick Riviera, Chevrolet Impala, Chevrolet Monte Carlo, Chevrolet Lumina, Oldsmobile 88, Oldsmobile 98, Oldsmobile Intrigue, Oldsmobile LSS, Pontiac Bonneville, Pontiac Grand Prix, and Pontiac Bonneville. This part number is also referenced in the aftermarket under cross-reference numbers such as Gates 22855 and Standard Ignition PR190 for the same application.

As a fuel injection pressure regulator, this component helps maintain the fuel pressure required for proper injector operation. Walker Products 255-1068 is a practical replacement choice when servicing drivability concerns on 1995-2005 Buick Park Avenue, 1996-2004 Buick Regal, and 2004-2005 Chevrolet Impala applications, as well as other listed GM models.

What This Part Helps Address

  • Fuel pressure that is too high or too low
  • Hard starting or extended crank time
  • Rough idle or unstable engine operation
  • Fuel odor or fuel delivery irregularities
  • Driveability issues related to regulator wear

Installation Notes and Tips

  • Verify the vehicle year, make, and model against the listed fitment before ordering.
  • Inspect the fuel system for contamination, damaged seals, or related wear before installation.
  • Use the included O-rings during installation where specified for the application.
  • Confirm proper fuel pressure after installation to verify system operation.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer with long-standing experience in fuel system components and engine sensors. The company states that its products are engineered and manufactured to meet or exceed OEM standards and specifications, with internal product management and technical support backing the catalog.

This part fits 56 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2005BuickPark Avenue3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2005ChevroletImpala3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2005ChevroletMonte Carlo3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2004BuickPark Avenue3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2004BuickRegal3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2004ChevroletImpala3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2004ChevroletMonte Carlo3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2003BuickPark Avenue3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2003BuickRegal3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2003PontiacBonneville3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2003PontiacGrand Prix3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2002BuickPark Avenue3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2002BuickRegal3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2002PontiacBonneville3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2002PontiacGrand Prix3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2001BuickPark Avenue3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2001BuickRegal3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2001PontiacBonneville3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2001PontiacGrand Prix3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2000BuickPark Avenue3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2000BuickRegal3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2000PontiacBonneville3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
2000PontiacGrand Prix3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1999BuickPark Avenue3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1999BuickRegal3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1999BuickRiviera3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1999ChevroletLumina3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1999ChevroletMonte Carlo3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1999OldsmobileIntrigue3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1999OldsmobileLSS3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1999PontiacGrand Prix3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1998BuickPark Avenue3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1998BuickRegal3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1998BuickRiviera3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1998ChevroletLumina3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1998ChevroletMonte Carlo3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1998OldsmobileIntrigue3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1998OldsmobileLSS3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1998PontiacBonnevilleSSEi3.8LV6N/AWalker Products
1998PontiacGrand Prix3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1997BuickPark Avenue3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1997BuickRegal3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1997BuickRiviera3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1997OldsmobileLSS3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1997PontiacBonnevilleSSEi3.8LV6N/AWalker Products
1997PontiacGrand Prix3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1996BuickPark Avenue3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1996BuickRegal3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1996BuickRiviera3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1996Oldsmobile983.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1996OldsmobileLSS3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1995BuickPark Avenue3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1995BuickRiviera3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1995Oldsmobile883.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1995Oldsmobile983.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
1995PontiacBonneville3.8LV6N/AFuel Injection Pressure Regulator with included O-Rings; Walker Products
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — 22855Remy — 21093Standard Ignition — PR1905G1049217-1422800-3022450322924506988PR111