K&N
K&N E-0643 Replacement Air Filter for 2017-2026 Audi A8 / A8 Quattro / S8
K&N E-0643 Replacement Air Filter for 2017-2026 Audi A8 / A8 Quattro / S8
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K&N E-0643 Replacement Air Filter.
K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
Key Features
- Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills.
Fits These Vehicles
- Fits 2018-2024, 2026 Audi A8 3.0L V6 Diesel
- Fits 2018-2026 Audi A8 3.0L V6
- Fits 2019-2025 Audi A8 4.0L V8
- Fits 2017 Audi A8 3.0L V6 Diesel / 3.0L V6 (4N Model)
- Fits 2019-2026 Audi A8 Quattro 3.0L V6
- Fits 2019-2022 Audi A8 Quattro 4.0L V8
- Fits 2022-2026 Audi S8 4.0L V8
- Fits 2021-2022 Audi S8 4.0L V8 Diesel
Confirm the model year, engine and the part number against your vehicle before ordering.
K&N warrants this product to be free from defects in materials and workmanship for the lifetime of the product. Coverage applies only to the original purchaser and is non-transferable. Coverage excludes damage from transportation, storage, improper use, failure to follow the product instructions or perform preventive maintenance, modifications, unauthorized repair, normal wear and tear, racing, competition or off-road use. Claims are handled directly by K&N customer service.
Specifications
- Brand: K&N
- Manufacturer Part Number: E-0643
- Type: Air Filters
- Manufacturer Warranty: Lifetime Limited (original purchaser)
- Condition: New
Images are for illustrative purposes. The product you receive may differ in finish or packaging from the photograph.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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Manufacturer's Warranty — K&N
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Manufacturer's Warranty — K&N
K&N warrants its products against defects in materials and workmanship. Washable replacement air filters, washable cabin air filters, performance air intake systems and home HVAC filters carry a lifetime limited warranty; oil filters, disposable and universal air filters and automotive accessories are covered for one year from the date of purchase. Coverage applies to the original purchaser and excludes damage from improper use, failure to perform maintenance, modification, normal wear, racing, competition or off-road use. Claims are handled directly by K&N customer service.
Warranty terms are set by the manufacturer and may change. Full details and claims are handled directly by K&N. Contact us if you need help with a warranty claim.

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