Mercedes W639 Rear Blower Air Conditioning System A0008358004

Mercedes W639 Rear Blower Air Conditioning System is an original ventilation system component designed for installation in the rear part of the vehicle. It ensures stable airflow within the interior, supporting the efficient operation of heating and ventilation in the passenger compartment. Thanks to its factory design dedicated to the Mercedes W639, it provides a precisely fitted service solution.

Specifications and technical data

• SKU: A6398302360-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6398302360
• Substitutable numbers: A6398302360, A 639 830 23 60, A 000 835 80 04, A0008358004
• Location on the vehicle: Rear
• Category: HVAC Blower Motor & Wheel

Purpose and function in the ventilation system

The presented blower belongs to the Blower motors and wheels category and is responsible for forced air circulation in the rear zone of the cabin. Its placement in the rear area allows for effective air distribution to the further rows of seats, which improves passenger comfort during travel in varying temperature conditions.

This component works with the factory ventilation control system, ensuring:

• stable operation at various rotational speeds,
• proper airflow in the rear part of the interior,
• consistency with the vehicle's original electrical installation.

Compatibility and fit for Mercedes

The blower has been designed specifically for Mercedes W639 series models, which translates into a very good fit for factory mounts and air ducts. Its original origin from the Mercedes group means maintaining the correct operating parameters, in accordance with the vehicle manufacturer's specifications.

Thanks to the use of appropriate factory markings and interchangeable numbers, the part can be precisely selected based on catalog data or the numbers of the removed component, minimizing the risk of incorrect selection.

Performance characteristics of the used component

As a used part, the blower is a cost-effective solution while maintaining the original design. In practice, this means:

• preservation of the factory rotor and housing geometry,
• compatibility with serial brackets and cable routing,
• possibility of installation as a replacement for a damaged or worn rear blower.

Such a solution is particularly attractive for maintenance repairs, where a reasonable balance between cost and the functionality of the ventilation system is important.

Benefits of using an original rear blower

Using an original interior blower in a Mercedes W639 allows for maintaining the consistency of the entire air conditioning and heating system. A properly selected component:

• reduces the risk of incorrect installation or vibrations during operation,
• supports even air distribution in the rear part of the cabin,
• facilitates service thanks to compliance with the manufacturer's technical documentation.

For users who want to better understand the cost-effectiveness of using secondary market components, an expert guide will be useful: Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, the principles of selecting parts by OEM numbers and the economic aspects of repairs.

Expansion and service of the ventilation system in Mercedes

If you are planning a comprehensive repair or upgrade of the ventilation system area in your Mercedes and need other components from the same group, such as additional blower motors, blower wheels, or elements working with air ducts, check the available parts in the Blower motors and wheels Mercedes category.

When making a decision between different service solutions, it is also worth reading a practical discussion of the advantages of used and remanufactured parts in the article Remanufactured or used original – which part to choose for repair?, which will facilitate the choice of an optimal repair strategy for your vehicle's ventilation system.