Mercedes W164 Exhaust Pipe Muffler Rear Box Pipe Diesel 6-Cyl A1644920301

Mercedes W164 Exhaust Pipe Muffler Rear Pipe Diesel OM654 is an exhaust system component designed for rear-end installation in vehicles, specifically engineered for diesel engines. Featuring factory-grade geometry and precise fitment to the vehicle's body structure, it ensures stable exhaust gas flow and proper integration with other muffler and resonator components. The used nature of this part allows for an economical yet functional replacement of an exhaust system component in Mercedes vehicles.

Specifications and technical data

• SKU: A1644920301
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1644920301
• Substitutable numbers: A1644920301, A 164 492 03 01
• Location on the vehicle: Rear
• Fuel type: Diesel
• Category: Mufflers & Resonators

Intended Use and Function in the Exhaust System

The described rear exhaust pipe operates in the final section of the exhaust system, responsible for directing exhaust gases from the muffler towards the outlet. In diesel-powered vehicles, this is crucial for maintaining optimal flow, reducing vibrations, and minimizing noise in the rear of the vehicle. The design, tailored for the Mercedes W164 platform, ensures correct pipe routing, ground clearance, and interference-free operation with the suspension and body elements.

Compatibility with OM654 Diesel Engine

This pipe is designed to work with the OM654 family of diesel engines, meaning it is adapted to the exhaust gas flow characteristics typical of modern diesel units. The appropriate diameter, shape, and routing of the pipe support:

• maintaining correct back pressure in the exhaust system,
• stable operation of the turbocharging and exhaust gas purification systems,
• reducing vibration transfer to the rear of the vehicle's body.

Consequently, this component can be used for both standard replacement of a worn-out pipe and for post-accident repairs where restoring the original exhaust system routing is essential.

Benefits of Using an Original Mercedes Part

Choosing an original exhaust pipe from the Mufflers and Resonators group for the Mercedes W164 offers a range of practical installation and operational advantages. A part sourced from a dismantled vehicle of the same brand provides:

• factory-fitment to mounting points at the rear of the body,
• compatibility with brackets, hangers, and heat shields used in this model,
• preservation of the exhaust system's original acoustic characteristics.

This solution simplifies installation, minimizes the need for modifications, and ensures the integrity of the entire system with other muffler and resonator components.

Application in Repairs and Upgrades

The Mercedes W164 Exhaust Pipe Muffler Rear Pipe Diesel OM654 is particularly suitable for:

• replacing a damaged exhaust section due to corrosion or mechanical damage,
• post-accident repairs of the vehicle's rear end,
• restoring the original system configuration after previous modifications.

Using a pre-owned part helps optimize service costs while maintaining the original geometry and compatibility with the diesel exhaust system of this model.

Exhaust System Expansion in Mercedes

If you are planning a comprehensive repair or upgrade of the exhaust system area in your Mercedes and require other parts from the same group, such as additional pipe sections, rear mufflers, or resonators, please check the available parts in the Mercedes Mufflers and Resonators category.

For owners of other makes interested in utilizing dismantled parts in the area of electronics and multimedia systems, useful information on a practical approach to repairing control modules and onboard systems can be found in the article Years of Driving Pleasure – How to Care for the iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models.