Delphi EG10311 EGR Valve

OE-Style EGR Valve for GM Applications

The Delphi EG10311 is an electronic exhaust gas recirculation (EGR) valve built for direct replacement service on select GM vehicles. It reflects Delphi’s OE heritage and supplier experience, with the fit and function expected for emission control repair on Buick, Cadillac, Chevrolet, and GMC applications.

Compatible with vehicles such as the 2006-2011 Buick Lucerne, 2006-2011 Cadillac DTS, and 2001-2003 Chevrolet Silverado 2500 HD, this Delphi EGR valve is designed for precise exhaust gas flow control and dependable electronic operation. The EG10311 part number is also a useful reference when cross-checking emission control service parts.

Key Features

• Electronic EGR valve design for controlled exhaust gas recirculation
• Positive backpressure configuration
• Female oval connector with 1 connector and 5 male blade terminals
• Exhaust port included for direct replacement service
• Gasket or seal included for installation sealing
• OE-based engineering from Delphi’s aftermarket program

Detailed Description

Delphi EG10311 is an emission control component for vehicles that use an electronic EGR valve to manage exhaust gas recirculation. By routing a measured amount of exhaust back into the intake stream, the valve helps maintain proper combustion control and emissions system operation. Delphi’s OE experience is built into this replacement part, making it a practical choice for service on GM platforms including Buick Lucerne, Cadillac DTS, and Chevrolet Silverado HD models. The EG10311 is also cross-referenced in the aftermarket under select numbers such as Standard Ignition EGV601 for the same application.

Common Issues This Part May Address

• Check engine light related to EGR flow or valve performance
• Rough idle caused by improper exhaust gas recirculation
• Emissions test failure tied to a malfunctioning EGR valve
• Sticking or unresponsive electronic EGR operation
• Driveability concerns linked to incorrect exhaust gas routing

Installation Notes and Tips

Verify connector shape, terminal count, and backpressure type before installation. This valve uses a female oval connector, 5 blade terminals, and includes a gasket or seal; mounting hardware is not included. Clean the mounting surface and inspect the exhaust port and adjacent passages for carbon buildup before fitting the new valve. Confirm vehicle-specific fitment for the exact year and model before ordering.

Fits 2006-2011 Buick Lucerne, N/A; Fits 2006-2011 Cadillac DTS, N/A; Fits 2006-2009 Buick LaCrosse, N/A; Fits 2006-2008 Pontiac Grand Prix, N/A; Fits 2002-2003 Chevrolet Avalanche 2500, N/A; Fits 2001-2003 Chevrolet Silverado 2500 HD, N/A; Fits 2001-2003 Chevrolet Silverado 3500, N/A; Fits 2001-2003 Chevrolet Suburban 2500, N/A; Fits 2001-2003 GMC Sierra 2500 HD, N/A; Fits 2001-2003 GMC Sierra 3500, N/A; Fits 2001-2003 GMC Yukon XL 2500, N/A.

Quality Assurance

Delphi draws on more than 100 years of OE experience and supplier knowledge used by major automakers. That OE background informs the design and manufacturing approach behind the EG10311 EGR valve for emission control service.