K&N 2021 Mercedes Benz A45 AMG L4 2.0L Turbo Drop In Air Filter K&N Engineering KNNE-0638
K&N 2021 Mercedes Benz A45 AMG L4 2.0L Turbo Drop In Air Filter K&N Engineering KNNE-0638
K&N 2021 Mercedes Benz A45 AMG L4 2.0L Turbo Drop In Air Filter K&N Engineering KNNE-0638
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K&N 2021 Mercedes Benz A45 AMG L4 2.0L Turbo Drop In Air Filter

KNNE-0638
024844386960
Air Filters - Drop In
20+ Units In Stock - Ships Next Business Day
$ 83.99
$ 83.99

SKU: E-0638 | UPC: 024844386960

K&N 2020-2023 Mercedes-Benz A45 AMG L4-2.0L Turbo Drop In Air Filter E-0638

K&N E-0638 is a washable reusable high-flow drop-in replacement air filter designed for 2020-2023 Mercedes-Benz A35 AMG, CLA35 AMG, CLA45 AMG, and 2020-2022 GLA35 AMG, GLA45 AMG models with 2.0L turbo engines. This filter uses layered oiled cotton media to deliver more airflow for horsepower gains while trapping contaminants for engine protection. Install it directly in your factory air box for immediate performance improvements and long-term savings.

Key Features

  • 4 Layers of Protection: Multiple layers of premium cotton gauze with a tacking agent form a mesh that blocks and traps dirt and harmful contaminants more effectively.
  • Clean Every 5 Years: Service interval is every 75,000 miles under normal highway driving or 5 years at 15,000 miles per year for low maintenance ownership.
  • Easy Installation: Pre-oiled filter drops straight into the OEM air box with no tools or modifications needed for fast gains.
  • Engineered Power: High-flow media increases horsepower, acceleration, and throttle response by allowing more clean air into the 2.0L turbo engine.
  • Lifetime Durability: Built with premium materials to last the life of your vehicle, backed by K&N No-Hassle Lifetime Limited Warranty.

Product Notes

  • Pre-oiled and ready for immediate use upon arrival
  • Wash and re-oil during service using K&N cleaning kit for continued performance
  • Packaged in protective box for damage-free delivery

Installation Notes

  • Professional installation recommended.
  • Remove OEM filter from factory air box and replace with E-0638 in under 5 minutes
  • Compatible with all stock air box hardware, no cutting or drilling required

This Part Fits

Year Make Model Submodel
2021-2023 Mercedes-Benz A-Class A 35 AMG 4MATIC
2020-2023 Mercedes-Benz CLA-Class CLA 35 AMG 4MATIC
2020-2023 Mercedes-Benz CLA-Class CLA 45 AMG 4MATIC
2020-2022 Mercedes-Benz GLA-Class GLA 35 AMG 4MATIC
2020-2022 Mercedes-Benz GLA-Class GLA 45 AMG 4MATIC

Why Choose K&N?

  • Over 60 years designing high-performance air filters for automotive enthusiasts
  • Reusable design cuts replacement costs and landfill waste versus disposable filters
  • Engineered and dyno-tested for real-world horsepower increases on turbo engines

Frequently Asked Questions

  • Q: Will E-0638 fit my 2022 Mercedes-Benz CLA 45 AMG 4MATIC?
    A: Yes, it is a direct OEM replacement for all 2020-2023 CLA 35 AMG and CLA 45 AMG 4MATIC models with the 2.0L turbo engine.
  • Q: What filter media does K&N use in this air filter?
    A: Four layers of oiled cotton gauze capture fine particles while maximizing airflow for better turbo performance.
  • Q: What warranty coverage is provided?
    A: K&N No-Hassle Lifetime Limited Warranty covers defects in materials or workmanship for as long as you own the vehicle, see details at knfilters.com.

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Original K&N box measuring 10.63 x 8.25 x 2.38 inches
  • Weight: 1.3 lb (0.6 kg)

Request For Information

Have questions about K&N 2021 Mercedes Benz A45 AMG L4 2.0L Turbo Drop In Air Filter? Fill out the form below and we'll get back to you by the next business day.
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