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K&N E-0640 is a washable reusable high-flow drop-in air filter designed for 2019-2023 Audi A6 Quattro with 2.0L L4 Diesel engine and 2021-2022 Audi A7 Sportback. It features layered oiled cotton media that improves airflow captures contaminants and delivers horsepower gains. Installs directly into the factory airbox for easy performance upgrade backed by K&N No-Hassle Lifetime Limited Warranty.
Key Features
- Engineered Power: High-flow media increases horsepower acceleration and overall engine performance.
- Filter measures 11.063 in length x 7.938 in width x 1.563 in height weighs 1 lb.
- Reusable Design Saves Money: Washable filter saves up to $125 over 200000 miles compared to disposable OEM filters MSRP.
- Ships in protective box 12.5 x 10.25 x 2.75 inches.
- Layered oiled cotton gauze provides high-flow filtration and reusability.
- Compatible with OEM airbox hardware.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2019-2023 | Audi | A6 Quattro | Premium, Premium Plus |
| 2021-2022 | Audi | A7 Sportback | Premium Plus, Prestige |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | E-0640 |
| Product Type | Air Filters - Drop In |
| Fitment Type | Vehicle Specific |
| Condition | New |
What's Included
One new K&N air filters - drop in identified by manufacturer part number E-0640. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.
About K&N Engineering
K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.
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Frequently Asked Questions
How do I confirm K&N E-0640 fits my vehicle?
Match the year, make, and model in the fitment table, then confirm the engine, factory housing, sensor layout, emissions notes, and any application restrictions stated for this exact part.
Is K&N E-0640 washable and reusable?
Serviceability depends on the exact media used for this part number. Follow the K&N cleaning and oiling directions for this filter and never apply oil to media specified as dry.
What should be checked after installing K&N E-0640?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.
Installation Instructions
- Remove factory air filter drop in K&N E-0640 no tools required
- Compatible with OEM airbox hardware
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