Audi Air Filter - Genuine Audi 4F0133843

Product Information

An engine air filter is a critical component of a vehicle's intake system, allowing clean fresh outside air to enter the combustion chamber and prevent dust, dirt, and other contaminants from entering the engine. Your engine's air filter sits within the air intake box and traps particles as air flows into the engine. This ensures that only clean air reaches the combustion chamber, which provides optimal engine performance and fuel efficiency and reduces emissions.

• Clogging: Over time, your air filter can become clogged with dirt, dust, and debris, reducing the amount of fresh air that reaches the engine. This can lead to poor engine performance, reduced fuel efficiency, and increased emissions.
• Moisture Contamination: Exposure to excessive moisture, whether from driving in heavy rain or through water, can cause the air filter to become saturated. A wet filter can restrict airflow, further deteriorate over time, and lead to potential engine damage.
• Age: Over time, the materials in the air filter can degrade, losing their ability to filter out contaminants effectively. An old air filter may become brittle and prone to tearing. It is recommended to inspect your engine air filter every 15 - 30,000 miles
• Decreased Fuel Efficiency: When the air filter is blocked, the engine struggles to get the proper air-fuel mixture, causing it to burn more fuel to compensate, resulting in reduced fuel efficiency and reduced performance
• Misfire: Inadequate airflow can lead to incomplete combustion, causing the engine to misfire, which might cause hesitation or weak power build-up under load.

About Genuine Audi

The original parts used by Audi to build your car are available as replacement parts under the “Genuine Audi” brand. Manufactured under the direction of Audi, expect excellent quality and a premium price since these parts are available exclusively through the Audi Dealership network.

You may not realize this, but the parts that make up your Audi are not necessarily manufactured by Audi. No cause for concern, as Audi designs the part, hires a manufacturer, and ensures its quality to you. In fact, many of these manufacturers have been making parts for Audi for decades. In our industry these manufacturers are called OEM (Original Equipment Manufacturers), and these are often brands you recognize, including Lemforder, ZF, Sachs, Bosch, Valeo, Zimmermann, Siemens VDO, Corteco, and more. Don’t be surprised to open that Genuine Audi parts box and find an OEM branded part inside, simply with the addition of an Audi logo.

Be sure to keep an eye out for OE tags on our product pages to quickly identify parts coming direct from OE manufacturers. That extra bit of insight could save you some serious money while shopping! Refer to our OE Academy for further information regarding the OE/OEM tags throughout the site.