Delphi EG10666 Exhaust Gas Recirculation (EGR) Valve

Delphi EGR Valve for Ford Applications

Delphi EG10666 is an exhaust gas recirculation (EGR) valve built as a vacuum-operated replacement for select Ford trucks, vans, and SUVs. It uses OE-based design and validation practices to match the demands of emissions control service on Ford Ranger, F-150, and Explorer Sport Trac applications.

• Vacuum valve EGR design
• Positive backpressure configuration
• Round connector shape
• 1 vacuum port, 0.196 in. / 5 mm diameter
• Exhaust port included
• Gasket included
• 2 mounting holes
• Package contents: EGR valve, (1) gasket, instruction sheet

OE-Based Construction

Delphi EG10666 is engineered using OE heritage, material specifications, and manufacturing controls developed from more than a century of original equipment experience. The valve is built with material selections and thicknesses chosen to meet OE-style requirements for emissions service, while strict production testing helps maintain consistent part quality. This part cross-references Standard Ignition EGV538 for the same application.

Vehicle Fitment

• Fits 2001-2011 Ford Ranger, N/A
• Fits 2002-2005 Ford Explorer Sport Trac, N/A
• Fits 2003-2004 Ford E-150, N/A
• Fits 2003-2004 Ford E-150 Club Wagon, N/A
• Fits 2003-2004 Ford E-250, N/A
• Fits 1997-2004 Ford F-150, N/A
• Fits 2004 Ford F-150 Heritage, N/A
• Fits 2001-2003 Ford Explorer Sport, N/A
• Fits 1997-2002 Ford E-150 Econoline, N/A
• Fits 1997-2002 Ford E-150 Econoline Club Wagon, N/A
• Fits 1997-1999 Ford F-250, N/A
• Fits 1997-1998 Lincoln Mark VIII, N/A
• Fits 1997 Ford Expedition, N/A

Common Replacement Reasons

• Check engine light related to EGR flow or valve operation
• Rough idle or hesitation caused by improper exhaust gas recirculation
• Emissions test failure tied to EGR system performance
• Vacuum-controlled EGR valve wear or sticking
• Loss of drivability on Ford Ranger, F-150, or Explorer Sport Trac models

Installation Notes

Verify the vacuum-operated EGR layout, connector style, mounting hole count, and exhaust port configuration before installation. Replace the gasket during service, and confirm vacuum line routing and mounting surface condition on the Ford Ranger, F-150, or Explorer Sport Trac application. The included instruction sheet should be followed during installation.

Quality Assurance

Delphi uses OE-based design specifications, validation testing, and controlled manufacturing processes to support consistent emissions-control performance. The EG10666 is built to Delphi’s original equipment standards for service replacement in Ford applications.