Delphi EG10664 Exhaust Gas Recirculation (EGR) Valve

Delphi EG10664 EGR Valve Overview

The Delphi EG10664 is an exhaust gas recirculation valve built as a vacuum-operated replacement for select Ford and Mercury applications. It is designed for vehicles including the Ford Escape, Ranger, Taurus, and Mercury Mariner and Sable, with OE-based engineering and validation practices informed by Delphi’s long OE history.

This Delphi EG10664 EGR valve includes a gasket and instruction sheet, and it uses a round connector shape with one vacuum port and two mounting holes. The valve is configured for positive backpressure applications and includes the exhaust port.

Key Features

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

Fitment and Application

• Fits 2003-2008 Ford Escape, N/A
• Fits 2007-2008 Ford Ranger, N/A
• Fits 2005-2008 Mercury Mariner, N/A
• Fits 2001-2007 Ford Taurus, N/A
• Fits 2001-2005 Mercury Sable, N/A

Compatible With Ford Escape, Ford Ranger, Ford Taurus, Mercury Mariner, and Mercury Sable applications that use the listed vacuum EGR configuration. Delphi EG10664 is also a direct-reference search term for buyers comparing OE-style replacement options for these vehicles.

What This Part Helps Address

• Rough idle related to EGR flow issues
• Check engine light conditions tied to EGR system faults
• Emissions test failures caused by a malfunctioning EGR valve
• Sticking or restricted exhaust gas recirculation operation
• Driveability concerns from improper vacuum-controlled EGR response

Installation Notes

Verify the vehicle’s EGR valve style, connector shape, vacuum port layout, and backpressure requirement before installation. The Delphi EG10664 uses two mounting holes and includes a gasket, but mounting hardware is not included. Follow the instruction sheet and inspect mating surfaces, vacuum lines, and related emissions components during replacement.

Quality Assurance

Delphi applies OE-based design specifications, material selection, and validation testing drawn from more than 100 years of OE experience. Manufacturing controls are used to maintain consistency across each part, and the EG10664 is built to meet the demands of aftermarket service on Ford and Mercury EGR applications.

This part cross-references Standard Ignition EGV574 for the same application.