Walker 570-5057 Exhaust Gas Recirculation (EGR) Valve

Walker 570-5057 EGR Valve Overview

Walker 570-5057 is an OE replacement exhaust gas recirculation valve built to restore factory emissions control and drivability. It regulates exhaust gas flow into the intake manifold to help lower combustion temperatures and reduce NOx output on supported Honda, Acura, and Saturn applications.

Compatible With 1997-2010 Honda Odyssey, Acura MDX, Acura RL, Acura TL, Acura CL, Honda Pilot, Honda Ridgeline, Honda Accord, and Saturn Vue applications listed below.

Key Features

• OE-style EGR valve for emissions system service
• Engineered for accurate flow rate and valve position control
• Available with original-style electrical connectivity and mounting layout
• Heat- and corrosion-resistant construction for under-hood exposure
• Rectangle connector, female connector gender, 1 connector, 5 terminals
• Spade terminal type with 2 mounting holes and included mounting hardware

Detailed Description

This Walker exhaust gas recirculation valve is built to match OE specifications for actuation timing, electrical connection, and fitment. Part number 570-5057 is used to replace a worn or malfunctioning EGR valve that can affect idle quality, emissions performance, and engine efficiency. It cross-references Standard Ignition EGV658 and EGV956 for the same application. Walker 570-5057 is a direct-fit service part for vehicles including the Honda Accord, Honda Odyssey, Acura TL, and Acura MDX.

What It Helps Resolve

• Emissions-related fault codes tied to EGR valve performance
• Rough idle caused by improper exhaust gas recirculation
• Reduced engine efficiency from restricted or inconsistent EGR flow
• Driveability issues related to valve sticking or poor actuation
• Failed emissions inspection caused by EGR system malfunction

Installation Notes and Tips

Verify connector shape, terminal count, and mounting-hole layout before installation. Confirm the valve matches the original OE location and electrical interface on the vehicle. Clean the mounting surface and inspect related EGR passages, vacuum lines, and wiring connectors during service to help ensure proper operation after replacement.

Quality Assurance

Walker Products manufactures this EGR valve to meet or exceed OE specifications for flow, actuation timing, and valve position control. The design uses materials selected for heat and corrosion resistance to handle continuous exhaust exposure in demanding engine-bay conditions.