Mercedes W213 OM654 Diesel Vacuum Pipe Line Hose Brake Booster Servo A2054300329

The Mercedes W213 OM654 Diesel Vacuum Hose is an original vacuum system component designed for OM654 diesel engines, responsible for stable control of vacuum-dependent sub-assemblies. Thanks to its precise fit to the Mercedes construction, it ensures consistent brake system operation and other vacuum consumers. This is a practical solution for users who want to maintain the factory performance characteristics of their diesel engine and brake assist system.

Specifications and technical data

• SKU: A2054300329
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2054300329
• Substitutable numbers: A2054300329, A 205 430 03 29, KZ
• Fuel type: Diesel
• Category: Brake Servos

Purpose and Role in the Braking System

The vacuum hose for Mercedes W213 with OM654 engine works with components from the Brake Boosters and Proportioning Valves group, responsible for transferring vacuum from the diesel engine to the brake booster and other consumers. A properly functioning hose limits vacuum drops, which translates to predictable brake pedal response and stable braking force distribution under various operating conditions.

In diesel engines, the vacuum system is of particular importance, which is why the seal and correct diameter of the hose are crucial for maintaining proper operation of the brake booster and brake force regulator. Replacing a worn or leaky hose with a component that is structurally identical to the factory one helps reduce the risk of extended braking distances and improper power assist operation.

Benefits of Using an Original Vacuum Hose

Using a vacuum hose dedicated to the Mercedes W213 with the OM654 unit offers a range of practical technical benefits:

• maintaining the factory performance characteristics of the brake booster and brake force regulator,
• reducing the risk of vacuum drops in the braking system,
• better repeatability of braking force during dynamic driving,
• compatibility with the diesel engine's vacuum system architecture.

Thanks to its adaptation to a specific Mercedes generation, the hose integrates with the existing installation without the need for modifications, which simplifies installation and servicing. This is particularly important in vehicles where maintaining consistency with the original brake system design is crucial.

Product Characteristics and Condition

The offered vacuum hose is from the original Mercedes parts group, which helps maintain compliance with factory quality and construction standards. The product is classified as used part, meaning it has been previously operated but is still suitable for further use after proper installation. For many users, this represents a reasonable compromise between repair cost and maintaining the vehicle's original specifications.

The hose is designed to work with a diesel engine, which is important for its resistance to the thermal conditions and vibrations characteristic of this power unit. Choosing a component that is compatible with the OM654 design helps avoid problems arising from the use of random aftermarket parts with incorrect parameters.

Installation and Operational Tips

When replacing the vacuum hose in a Mercedes W213 with an OM654 engine, it is worth paying attention to several technical aspects:

• checking the condition of the nipples and connectors in the brake booster and other system components,
• checking for leaks after installation, especially at connection points,
• assessing the remaining sections of the vacuum system for any cracks or abrasions,
• regularly observing the brake pedal response after replacement to detect any leaks.

To maximize the potential of a used part, it is advisable to follow the principles of proper operation and periodic system checks. Practical tips on maintaining used car parts in good condition can be found in the article How to Extend the Lifespan of Used Car Parts?, which discusses, among other things, methods for maintaining components operating in demanding conditions.

Expanding the Mercedes Braking System

If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and need other parts from the same group, such as a brake booster, brake force regulator, or additional vacuum hoses, check the available parts in the Mercedes Brake Boosters and Proportioning Valves category.

For larger servicing jobs, it is also worth considering consolidating the remaining components in one place, which simplifies repair logistics and reduces the risk of selecting incompatible aftermarket parts. The guide describing the concept of convenient One-Stop-Shop purchases may be helpful: Comprehensive Sourcing of Used Car Parts in One Place.