EGR Valve Mercedes W169 W245 OM640 Exhaust Gas Recirculation A6401402060

Mercedes W169 W245 OM640 EGR Valve A1121400460 is an original part from the EGR Valves and Parts group, designed for Mercedes compact class gasoline engines. A used exhaust gas recirculation valve allows for technically correct repair of the EGR system, maintains stable engine operation, and reduces exhaust emissions while preserving the engine's factory performance characteristics.

Specifications and technical data

• SKU: A6401402060-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6401402060
• Substitutable numbers: A6401402060, A 640 140 20 60, KZ
• Fuel type: Petrol
• Category: EGR Parts & Valves

Intended Use and Function in the EGR System

The presented valve belongs to the EGR Valves and Parts category and is used in OM640 series gasoline engines installed in Mercedes W169 and W245 models. It is responsible for controlled exhaust gas recirculation into the intake manifold, which contributes to lowering combustion temperature, reducing nitrogen oxides, and stabilizing engine operation across various load ranges.

By maintaining its original geometry and control characteristics, the EGR valve works seamlessly with the engine control unit's factory software, facilitating diagnostics, adaptation, and subsequent vehicle operation after the part replacement.

Benefits of Using an Original EGR Valve

Using an original EGR valve in a gasoline engine offers a range of practical service and operational benefits, including:

• maintaining correct exhaust gas recirculation system operation without the need for installation modifications,
• consistency with factory engine control parameters and the OBD diagnostic system,
• reducing the risk of errors associated with incorrect aftermarket part characteristics,
• easier part identification and selection due to compliance with manufacturer documentation.

A used part allows for economical vehicle repair while maintaining proper build quality and fit for the specific engine unit.

Condition, Compatibility, and Installation

The offered EGR valve is a used part, which translates to a favorable cost-to-functionality ratio for exhaust gas recirculation system repairs. Before installation, standard verification of valve seat condition, moving parts, and channel cleanliness is recommended, as well as checking for correct operation throughout the valve's full open and closed range.

Part selection is facilitated by identification data such as the product SKU, OEM part number, and available interchange numbers, which allow for precise verification of compatibility with the specific engine version and vehicle year.

Information for Mechanics and Users

When replacing the EGR valve in a gasoline engine, it is advisable to ensure proper system bleeding, check the intake manifold for leaks, and clear any potential engine control unit errors after installation. A correctly selected and functional exhaust gas recirculation valve helps reduce power loss, rough idling, and the appearance of exhaust emission-related error messages.

If you are looking for other parts from the EGR valves and parts category dedicated to this brand's vehicles, check the available parts in the Mercedes EGR Valves and Parts category.

For users planning a more extensive powertrain service, including drive axles or differentials, a practical guide describing the selection and condition assessment of used components may be helpful – detailed tips can be found in the article Used Differentials – What You Should Know About Used Differentials, Sensors, and Drivetrain Systems.