{"product_id":"k-n-2021-mercedes-benz-a45-amg-l4-2-0l-turbo-drop-in-air-filter","title":"K\u0026N E-0638 High-Flow Air Filter for 20-25 Mercedes-Benz A45\/CLA45\/GLA45 AMG 2.0L","description":"\u003cmeta name=\"keywords\" content=\"K\u0026amp;N high-flow air filter, Mercedes-Benz A45 air filter, GLA45 AMG performance filter, reusable air filter for AMG, high-performance air filter, washable automotive air filter, turbo engine air filter, K\u0026amp;N E-0638 filter\"\u003e\u003cmeta name=\"description\" content=\"Upgrade your Mercedes-Benz A45\/CLA45\/GLA45 AMG with the K\u0026amp;N E-0638 High-Flow Air Filter for improved performance and longevity.\"\u003e\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\u003cul\u003e \u003cli\u003e2020-2025 Mercedes-Benz CLA45 AMG 2.0 L Turbo I4\u003c\/li\u003e \u003cli\u003e2021-2024 Mercedes-Benz A45 AMG S 2.0 L Turbo I4\u003c\/li\u003e \u003cli\u003e2021-2023 Mercedes-Benz GLA45 AMG 2.0 L Turbo I4\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFeatures\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eHigh-flow cotton gauze media engineered to increase horsepower and acceleration\u003c\/li\u003e \u003cli\u003eWashable and reusable design - no disposable filter replacements required\u003c\/li\u003e \u003cli\u003eDirect-fit drop-in replacement for factory air box - no modifications\u003c\/li\u003e \u003cli\u003eImproved airflow while maintaining superior filtration of contaminants\u003c\/li\u003e \u003cli\u003eDesigned for long service-intervals - clean approx. every 75,000 miles under normal driving\u003c\/li\u003e \u003cli\u003eDurable construction backed by K\u0026amp;N's lifetime limited warranty\u003c\/li\u003e \u003cli\u003eReduces waste and ongoing cost compared to standard disposable filters\u003c\/li\u003e \u003cli\u003ePre-oiled and ready to install right out of the box\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eMedia: Multi-layer oiled cotton gauze\u003c\/li\u003e \u003cli\u003eShape: Round drop-in replacement\u003c\/li\u003e \u003cli\u003eHeight: ~4.938\"\u003c\/li\u003e \u003cli\u003eInside Diameter (flange): ~5.938\"\u003c\/li\u003e \u003cli\u003eOutside Diameter: ~8.063\"\u003c\/li\u003e \u003cli\u003eWeight: ~2.1 lb (≈1 kg)\u003c\/li\u003e \u003cli\u003eService Interval: Clean approx. every 75,000 miles under normal highway driving\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eIncluded Components\u003c\/h4\u003e\u003cul\u003e \u003cli\u003e1x K\u0026amp;N E-0638 washable high-flow engine air filter\u003c\/li\u003e \u003cli\u003eInstallation instructions with cleaning and reuse guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Description\u003c\/h4\u003e\u003cp\u003eThe K\u0026amp;N E-0638 High-Flow Air Filter is specifically engineered for the 2.0 L Turbo I4 AMG models of Mercedes-Benz: the A45 AMG S, CLA45 AMG, and GLA45 AMG. Its drop-in design means it can be installed into the factory air box without any modifications, delivering improved airflow and enhanced engine responsiveness while maintaining top-tier filtration.\u003c\/p\u003e\u003cp\u003eIdeal for performance enthusiasts or track-day drivers who want reliable longevity, this washable and reusable filter reduces long-term cost, minimizes waste from disposable filters, and supports durable operation through spirited driving. Routine service is simplified - cleaning roughly every 75,000 miles under normal driving conditions.\u003c\/p\u003e\u003cp\u003ePlease note: Fitment is confirmed through model year 2025 for the listed vehicles. Always verify the engine (2.0 L Turbo I4), drivetrain, and vehicle configuration before purchase.\u003c\/p\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":53362929828159,"sku":"KNNE-0638","price":77.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/7308\/9343\/files\/0a8dee4e7b48826fe635c09508a8ad7a.jpg?v=1780090130","url":"https:\/\/wcaperformance.com\/products\/k-n-2021-mercedes-benz-a45-amg-l4-2-0l-turbo-drop-in-air-filter","provider":"WCA Performance","version":"1.0","type":"link"}