Walker 570-5056 Exhaust Gas Recirculation (EGR) Valve

Walker EGR Valve for GM Applications

Walker Products 570-5056 is an Exhaust Gas Recirculation (EGR) valve built for select GM vehicles that need precise exhaust flow control to support emissions system operation. It is a direct-fit replacement for applications including Chevrolet Equinox, Pontiac Torrent, Buick Rendezvous, and other listed models.

Walker Products has supplied automotive fuel and engine management components since 1946, with manufacturing and engineering processes focused on meeting or exceeding OEM standards. The Walker Products line includes engine management parts built for accurate vehicle applications and technical support.

Key Features

• Exhaust Gas Recirculation (EGR) valve for emission control service
• Walker Products part number 570-5056
• OE-style replacement for select Chevrolet, Pontiac, Buick, Saturn, and Oldsmobile applications
• Cross-references Dorman OE Solutions 911-163 and Delphi EG10172 for the same application
• Built by an ISO 9001 / IATF 16949 certified manufacturer

Vehicle Fitment

• Fits 2005-2009 Chevrolet Equinox, N/A
• Fits 2006-2009 Pontiac Torrent, N/A
• Fits 2002-2007 Buick Rendezvous, N/A
• Fits 2006 Buick Terraza, N/A; stamped #12581876, 12581878; 2nd design
• Fits 2006 Chevrolet Malibu, N/A; stamped #12581876, 12581878; 2nd design
• Fits 2006 Chevrolet Uplander, N/A; stamped #12581876, 12581878; 2nd design
• Fits 2006 Pontiac G6, N/A; stamped #12581876, 12581878; 2nd design
• Fits 2006 Pontiac Montana, N/A; stamped #12581876, 12581878; 2nd design
• Fits 2006 Saturn Relay, N/A; fits 2nd design mass air flow sensor
• Fits 2000-2005 Buick Century, N/A
• Fits 2000-2005 Chevrolet Impala, N/A
• Fits 2000-2005 Chevrolet Monte Carlo, N/A
• Fits 2001-2005 Pontiac Aztek, N/A
• Fits 2000-2005 Pontiac Grand Am, N/A
• Fits 2000-2005 Pontiac Montana, N/A
• Fits 2000-2004 Chevrolet Malibu, N/A
• Fits 2000-2004 Oldsmobile Alero, N/A
• Fits 2000-2004 Oldsmobile Silhouette, N/A
• Fits 2000-2003 Pontiac Grand Prix, N/A
• Fits 2000-2001 Chevrolet Lumina, N/A

Common Uses

• Replacing a failed EGR valve that triggers emissions-related fault codes
• Restoring exhaust gas recirculation flow on Chevrolet Equinox and Pontiac Torrent models
• Addressing rough idle, hesitation, or drivability issues tied to EGR operation
• Correcting emissions test failures caused by EGR system malfunction
• Replacing a worn OE-style valve on Buick Rendezvous and related GM platforms

Installation Notes

Verify the stamped number and design revision before ordering, especially on 2006 applications that require the second design. Confirm vehicle year, make, model, and emissions configuration against the listed fitment for Walker Products 570-5056 before installation.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, engineering, product management, and technical documentation, and operates under ISO 9001 / IATF 16949 certification.