Pressure Valve Mercedes R170 M111 Petrol Engine Pipe Valve Sensor A1111403612

Pressure Valve Mercedes R170 M111 Petrol Engine Pipe Valve Sensor is an original vacuum control system component for petrol engines, designed for use in Mercedes vehicles equipped with the M111 unit. This used component from the EGR Valves and Parts category ensures the proper operation of vacuum-dependent systems, which translates into stable engine performance and correct load response.

Specifications and technical data

• SKU: A1111403612
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1111403612
• Substitutable numbers: A1111403612, A 111 140 36 12
• Fuel type: Petrol
• Category: EGR Parts & Valves

Purpose and technical function

The described vacuum valve with a pipe/hose section operates within the petrol engine control system, working in conjunction with the vacuum installation and components from the EGR Valves and Parts group. Its task is to precisely direct vacuum flow to the appropriate receivers, which influences the correct control of selected engine unit functions.

In the M111 engine, the use of a properly selected vacuum valve is essential for maintaining stable operating parameters, the correct air-fuel mixture, and predictable response to load changes. An original component dedicated to a specific engine configuration reduces the risk of leaks and compatibility issues during installation.

Benefits of using an original component

Using a used, original component instead of a worn or damaged part allows for:

• maintaining the factory performance characteristics of the vacuum system in a petrol engine,
• reducing the risk of ECU errors resulting from leaks or improper vacuum control,
• easier installation thanks to the fitment to factory mounts and hose routing,
• maintaining system consistency with other components from the EGR Valves and Parts group.

For owners of vehicles with the M111 unit, choosing an original vacuum valve with a hose is a practical solution that helps restore proper system operation without the need for installation modifications.

Installation and operational characteristics

The element has been designed for a specific petrol engine system, which facilitates its integration with the existing installation. Properly routed hoses and correct connectors speed up installation and reduce the risk of errors when connecting to the vacuum system.

In the case of symptoms such as unstable idle, incorrect throttle response, or errors related to the exhaust gas recirculation system, replacing the vacuum valve and hose with a functional, original component is one of the basic diagnostic and repair steps. A used component allows for an economical repair while maintaining proper operating parameters.

Integration with other system components

The described valve works with other vacuum control components and elements from the EGR Valves and Parts group, creating a coherent system responsible for controlling exhaust gas flow and engine stability. A correctly selected and installed component reduces the risk of leaks that could lead to power loss, increased fuel consumption, or diagnostic errors.

If you are planning a comprehensive repair or upgrade of your Mercedes engine area and need other elements from the same group, such as additional valves, vacuum hoses, or exhaust gas recirculation control elements, check the available parts in the EGR Valves and Parts Mercedes category.

Technical support and part selection

When selecting used engine system components, it is worth following the compatibility with the specific engine unit and installation parameters. Original components intended for this series of petrol engines ensure predictable performance and facilitate future diagnostics.

If you are interested in a broader context of using dismantled parts in vehicle repairs, including the selection of OEM elements and practical service procedures, our blog article may be helpful: Bodywork – post-accident repairs using dismantled parts. Although it mainly concerns the body, it shows an approach to the conscious use of used parts in professional repairs.