2021 Audi A4 Air Filters
- 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$22.90
- 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$26.24
- 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 Blue Air FilterMagnum Flow® Pro 5R Round Tapered Blue 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
- 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
- Beck Arnley®Air FilterAudi A4 allroad / A4 Quattro 2021, Air Filter by Beck Arnley®. When investing in this superior product by Beck Arnley, expect to get the exact OEM look, function, and fit. The product was developed to stringent factory specifications...Insures proper air flow for engine operationConstructed from OE quality materials and filter media to properly maintain your vehicle and improve gas mileage$33.37
- 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
- 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