Mercedes W164 Air Intake Bracket Air Flow Sensor Mount Holder OM642 A6420900144

The Mercedes W164 Throttle Linkage Air Flow Meter Holder OM642 is a precise intake system component designed for diesel engines. It ensures a stable connection between the throttle body and the air flow meter, which is crucial for accurate measurement of the mass of ingested air and efficient engine operation. This is a solution for users who expect a robust part with a construction that adheres to the manufacturer's standards.

Specifications and technical data

• SKU: A6420900144
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420900144
• Substitutable numbers: A6420900144, A 642 090 01 44
• Fuel type: Diesel
• Category: Throttle Cables & Linkages

Purpose and Function in the Intake System

The throttle linkage with the air flow meter holder in the OM642 diesel engine is responsible for a rigid yet appropriately flexible connection of the intake components. A correctly selected component helps maintain:

• stable positioning of the air flow meter relative to the intake manifold,
• proper air flow to the intake manifold,
• consistent operation of the throttle body with the engine control electronics.

This provides the control unit with access to reliable data on the amount of ingested air, which translates to more efficient fuel dosing and smoother operation of the diesel engine.

Benefits of Using an Original Mercedes Solution

Using a component that matches the original Mercedes design helps maintain the correct geometry of the intake system. In practice, this means:

• secure mounting of the air flow meter without unwanted play,
• reduced risk of leaks around the throttle body,
• better repeatability of diesel engine operating parameters under various load conditions.

This is particularly important in diesel engines, where air measurement precision directly impacts dynamics, fuel consumption, and emission levels.

Application in Mercedes Vehicles with Diesel Engines

The linkage has been designed to work with the OM642 engine, widely used across the Mercedes model range. Its construction, tailored to this engine's architecture, facilitates installation in the engine bay and integration with the existing intake system. For the user, this means:

• the ability to restore proper throttle body and air flow meter function after a failure or wear of the previous component,
• reduction of problems with unstable idling and power loss resulting from intake leaks,
• more predictable engine behavior in daily use.

If you are planning a broader upgrade of the acceleration control system, it is worth checking other components in the Throttle Pedal Linkages and Rods category to select parts that are structurally compatible.

Characteristics of a Used Part

The offered part is a used component, allowing for a combination of functionality and a more attractive purchase price. For many diesel vehicle owners, this represents a sensible compromise between durability and service budget. Choosing such a solution is particularly beneficial for:

• routine maintenance on older vehicles,
• restoring vehicle functionality after localized damage to the intake system,
• seeking parts that match original specifications without the need to invest in new components.

Technical Support and Additional Information

When selecting intake system components, it is advisable to pay attention to compatibility with the specific engine version and equipment configuration. In case of doubt, helpful resources may include guides on operating and servicing vehicles with diesel engines, available in sections such as the blog, for example, a guide on choosing used parts and optimizing service costs. This will make it easier to plan repairs that are technically consistent and economically justified.