MERCEDES A6420100591 Oil Separator Breather

( Manufacturer Part Number: A6420100591 ), ( Part Type: Oil Breather ), ( Reference Oe/oem Number: A6420100591, A 642 010 05 91 )

Review MERCEDES Genuine Oe Oil Separator Breather fits W164 W204 W212

The Mercedes-Benz Oil Separator Breather, part number A6420100591, is an essential component of the engine air intake system designed for various Mercedes-Benz models, including W164, W204, and W212. This breather assembly is tasked with separating and draining engine oil mist and condensation from the intake system, ensuring cleaner air enters the engine for optimal performance and longevity.

Constructed with a durable and heat-resistant material, this oil separator breather features an integrated drainage system that collects and stores the accumulated engine oil mist and condensation. A replaceable filter element is integrated into the design, which captures and retains the largest oil droplets, while allowing smaller amounts to pass through and be further separated within the breather assembly.

The breather housing is equipped with a ventilation system that releases the separated air back into the atmosphere, while preventing any unfiltered engine oil mist or condensation from entering the intake system. This design ensures that only clean and dry air enters the engine, reducing the risk of engine damage caused by contaminated air.

Installation of the Mercedes-Benz Oil Separator Breather is a straightforward process, typically requiring no modification to the engine bay or intake system. It is recommended to replace the breather assembly at regular maintenance intervals to ensure maximum effectiveness and longevity.

In summary, the Mercedes-Benz Oil Separator Breather, part number A6420100591, is a crucial component of the engine air intake system for W164, W204, and W212 models. It effectively separates and drains engine oil mist and condensation, ensuring clean and dry air enters the engine for uncompromised performance and engine longevity.

Buying a Mercedes oil separator breather for a W164, W204, or W212 model car can be a worthwhile investment for maintaining the health of your engine. Here are some pros and cons to consider before making a purchase.

1. Improved Engine Performance: An oil separator breather helps to reduce the amount of crankcase gases that enter the intake system, which can lead to better engine performance and increased fuel efficiency.

2. Reduced Emissions: By separating and collecting the crankcase gases, an oil separator breather can help to reduce the amount of harmful emissions that are released into the environment.

3. Longer Engine Life: The crankcase gases that are collected by an oil separator breather can contain harmful acids and moisture that can damage the engine over time. By removing these gases, the oil separator breather can help to extend the life of the engine.

4. Quieter Engine Operation: The crankcase gases that are released during engine operation can cause a loud knocking or tapping noise. An oil separator breather can help to reduce or eliminate this noise, leading to a quieter and more enjoyable driving experience.

1. Cost: An oil separator breather can be a significant investment, especially for older Mercedes models. The cost of the breather itself, as well as the cost of installation, can add up.

2. Complex Installation: Installing an oil separator breather can be a complex process, especially for those who are not mechanically inclined. It may be necessary to remove various components of the engine and intake system in order to install the breather properly.

3. Ongoing Maintenance: An oil separator breather requires ongoing maintenance in order to ensure that it is functioning properly. This may include regular cleaning or replacement of the breather element, as well as periodic checks to ensure that the breather is not leaking.

An oil separator breather can offer significant benefits for Mercedes W164, W204, and W212 model cars. These benefits include improved engine performance, reduced emissions, longer engine life, and quieter engine operation. However, the cost and complex installation process may be deterring factors for some. Ultimately, the decision to purchase an oil separator breather should be based on the individual's budget, mechanical abilities, and desire for improved engine performance and longevity.

If you are considering purchasing an oil separator breather for your Mercedes W164, W204, or W212 model car, it is recommended that you do your research and consult with a qualified mechanic to ensure that you are making an informed decision. Consider the potential benefits and costs, as well as the complexity of the installation process, before making a purchase. Additionally, be sure to choose a reputable supplier and follow the manufacturer's instructions carefully during installation and ongoing maintenance.

Details:

Constructed by the trusted brand Mercedes, these oil separator breathers ensure optimal performance and longevity for your vehicle. The reference OE/OEM number A 642 010 05 91 further confirms its authenticity and compatibility with Mercedes model's. This oil separator breathers, with the manufacturer part number A, are essential components in air and fuel delivery system of these cars. The Mercedes W164 W204 W212 Oil Separator Breather A is a genuine OE product designed specifically for vehicles.

part #: a6420100591 prices

• $28.62-$244.51

specifications airfueldepo:

• for models: W164, W204, W212
• for makes: Mercedes
• mpn: A6420100591
• part type: Oil Breather
• reference oe/oem number: A6420100591, A 642 010 05 91

seller airfueldepo:

• # reviews: 373
• city: Saint Michael, Minnesota
• rating: 100.0%

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general airfueldepo:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Other Air Fuel Delivery

shipping airfueldepo:

• transit: 5-12 Days
• service: USPS Ground Advantage
• type: Fixed
• class: Standard
• cost: $0.00
• carrier: USPS

offer airfueldepo:

• quantity: 1
• sold: 0
• started: July 18, 2025
• availability: In Stock
• options: Ship-to-home

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• policy: No Returns

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