2021 Audi A4 Air Filters
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WIX®Panel Air FilterAudi A4 / A4 Quattro 2021, Panel Air Filter by WIX®. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that use the finest materials and the...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$21.45 - WIX®Air FilterAudi A4 allroad 2021, Air Filter by WIX®. Considering as much as 10,000 gallons of air must pass through the air filter for every gallon of fuel the engine consumes, WIX air filters play a vital part in preventing foreign particles like...Prevents foreign particles like carbon, soot and abrasives from entering the fuel mixEnsures superior engine protection$26.15
- Original (OEM)Air Intake PartsNo matter the type of vehicle you own, its engine needs two basic things to function: fuel and oxygen. And it's the air intake system that supplies your vehicle's heart with power-building air to ensure its efficient performance. The...
- Audi OEEngine / Transaxle - Air Intake (Code CYMC)Audi A4 Quattro 2021, Engine / Transaxle - Air Intake (Code CYMC) by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$3.43 - $418.76
- Audi OEEngine / Transaxle - Air Intake (Code: DMSA, DPAA)Audi A4 Quattro 2021, Engine / Transaxle - Air Intake (Code: DMSA, DPAA) by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$3.43 - $418.76
- aFe®Magnum Flow® Pro 5R Round Tapered Air FilterMagnum Flow® Pro 5R Round Tapered Air Filter by aFe®. This high flow Pro 5R air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Five layers of...Improves airflow for better performance and accelerationPre-oiled, washable/reusable air filter for long service life with life-time warranty$65.00 - $140.00
- aFe®Magnum Flow® Pro Dry S Round Tapered Gray Air FilterMagnum Flow® Pro Dry S Round Tapered Gray Air Filter by aFe®. This high flow Pro DRY S air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Layers of...Improves airflow for better performance and accelerationPre-oiled, washable/reusable air filter for long service life with life-time warranty$68.00 - $121.00
- aFe®Magnum Flow® Pro Guard 7 Tan Air FilterMagnum Flow® Pro Guard 7 Tan Air Filter by aFe®. This Pro Guard 7 performance air filter outflows the factory intake by 44%. The “Inverted” design of this unique OE replacement filter fully utilized the space in the stock air box...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$68.00 - $114.00
- Racing Power Company®Super Flow Top Washable Open Screen Air FilterSuper Flow Top Washable Open Screen Air Filter by Racing Power Company®. Make your engine function at its full efficiency by choosing from our comprehensive selection of top-grade performance air intake parts. Crafted by the...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$31.02
- Wehrli Custom Fabrication®Pre-Filter SockPre-Filter Sock by Wehrli Custom Fabrication®. Designed with big speed fans in mind, this mind-blowing fuel system upgrade will help you maximize engine performance and fuel efficiency. It’s easy to install and will help you achieve...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$41.71
- Premium Guard®Air FilterAudi A4 / A4 allroad / A4 Quattro 2021, Air Filter by Premium Guard®. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that use the finest...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$17.99
- OPparts®Air FilterAudi A4 allroad / A4 Quattro MILD HYBRID EV-GAS (MHEV) 2021, Air Filter by OPparts®. Position: Main. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$25.83
- Pentius®UltraFLOW™ Air FilterAudi A4 2021, UltraFLOW™ Air Filter by Pentius®. The UltraFLOW Air Filter by Pentius has been designed to provide your customer's engine with the clean air that is required for maximum efficiency and power output. By design, the best...Designed to eliminate contaminantsEnsures proper fitment and excellent performance$12.81
- Audi OEEngine / Transaxle - Air IntakeAudi A4 allroad 2021, Engine / Transaxle - Air Intake by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if you...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$3.43 - $418.76
- Racing Power Company®Round Air Filter with Stainless Steel MeshRound Air Filter with Stainless Steel Mesh by Racing Power Company®. Make your engine function at its full efficiency by choosing from their comprehensive selection of top-grade performance air intake parts. Crafted by the...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$48.31 - $77.33
- Racing Power Company®Triangular Air Filter (14" ID x 3" H)Triangular Air Filter by Racing Power Company®. Make your engine function at its full efficiency by choosing from our comprehensive selection of top-grade performance air intake parts. Crafted by the industry-leading professionals who...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$17.81
- Sinister Diesel®Pre-Filter SockPre-Filter Sock by Sinister Diesel®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest technology, they...High quality at an affordable priceExpertly made from premium materials$35.99
