Mercedes-Benz C E M Class W164 W203 W211 OM642 Diesel Vacuum Pump A6422300165

The Mercedes W164 W203 W211 OM642 Vacuum Pump Diesel is an original vacuum pump for supplying vacuum, designed for Mercedes diesel engines from the OM642 family. This component, mounted at the front of the engine, is responsible for the stable generation of vacuum for control systems, which translates to reliable brake and engine accessory operation.

Specifications and technical data

• SKU: A6422300165
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6422300165
• Substitutable numbers: A6422300165, A 642 230 01 65, BG
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Vacuum Pumps

Purpose and Function of the Vacuum Pump

The presented pump belongs to the category of vacuum pumps and works with the OM642 diesel engine used in Mercedes models of the W164, W203, and W211 series. Its task is to generate stable vacuum necessary for, among other things, the brake booster and other vacuum consumers in the engine control system.

Its placement at the front of the engine facilitates service access and checks for potential leaks. This makes replacing or diagnosing the component simpler, potentially reducing vehicle downtime in the workshop.

Key Technical Advantages

The vacuum pump for the OM642 diesel engine has been designed with the demanding operating conditions of diesel units in mind. Its construction ensures:

• stable vacuum generation across a wide range of engine loads,
• adequate performance for brake assist and accessory control systems,
• compatibility with factory mounting points and vacuum connections in the OM642 engine,
• compatibility with the factory engine oil supply system (pump lubrication).

By adhering to the original manufacturer's specifications, the pump works with the vehicle's electronics and control system without requiring any installation modifications.

Compatibility with OM642 Diesel Engine

The OM642 diesel engine is a popular V6 diesel unit used in many Mercedes models, including the W164, W203, and W211 series. A properly selected vacuum pump is crucial for:

• correct operation of the brake assist system,
• efficient functioning of vacuum-controlled systems,
• maintaining stable engine operating parameters under various load conditions.

Using a pump dedicated to a specific fuel type, such as Diesel, minimizes the risk of compatibility issues and ensures compliance with the engine's factory requirements.

Condition and Benefits of Choosing an Original Part

The offered vacuum pump is a used part, sourced from a dismantled Mercedes vehicle. Choosing an original component from this brand primarily offers:

• preservation of the original vacuum system operating characteristics,
• secure fit to mounting points and lines in the engine bay,
• reduced risk of leaks resulting from imprecise fit of aftermarket replacements.

If you want to better understand why used original parts are often a sensible choice in terms of safety and repair economy, it's worth reading the article on the advantages of used original OEM parts in car repairs.

Selection, Diagnostics, and Technical Knowledge

When selecting a vacuum pump for a specific vehicle, it is crucial to pay attention to the engine type, body generation, and compatibility with the accessory system. If in doubt, it is advisable to consult part numbers and vehicle technical documentation to ensure full compatibility with the vacuum system.

For those interested in a broader context of diesel engine fuel and accessory systems, the guide on the construction and maintenance of fuel systems, injectors, and pumps may be helpful, discussing diagnostic principles and part selection by OEM numbers.

If you are looking for other Mercedes vacuum pumps for various models of this brand, check out the Mercedes vacuum pumps available in our store to select the part best suited for your vehicle.