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SKU: 33-3111 | UPC: 024844367099
K&N 33-3111 Replacement Air Filter for 2017-2021 Audi A3 1.5L L4
The K&N 33-3111 is a direct drop-in replacement air filter for 2017-2021 Audi A3 equipped with the 1.5L L4 gas engine. This washable reusable high-flow filter uses layered oiled cotton media to deliver more airflow for increased horsepower and acceleration while trapping contaminants. It installs in minutes inside the factory airbox for immediate performance gains.
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 particles for reliable engine defense.
- Clean Once Every 5 Years: Requires service only every 75000 miles under normal highway conditions or 5 years at 15000 miles annually.
- Easy Installation: Pre-oiled and ready to drop into the factory airbox making it a simple cost-effective upgrade for performance.
- Engineered Power: Advanced filter media boosts horsepower acceleration and overall engine response.
- Lifetime Durability: Built with premium materials to last the vehicle lifetime backed by No-Hassle Lifetime Limited Warranty.
Product Notes
- Washable and reusable design reduces replacement needs over time.
- Service interval based on highway driving clean with K&N cleaning kit.
- Packages in protective box for safe delivery dimensions 11.5 x 9.75 x 2.5 inches.
Installation Notes
- Professional installation recommended.
- Removes in seconds from OEM airbox no tools or modifications required.
- Compatible with factory hardware pre-oiled for instant use.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2021 | Audi | A3 | 1.5L L4 GAS |
| 2017 | Audi | A3 | 1.5 TFSI Sedan |
| 2018 | Audi | A3 | 1.5 TFSI Sedan |
| 2019 | Audi | A3 | 1.5 TFSI Sedan |
| 2020 | Audi | A3 | 1.5 TFSI Sedan |
| 2021 | Audi | A3 | 1.5 TFSI Sedan |
Why Choose K&N?
- Proven leader in high-flow filtration with millions of filters sold worldwide.
- Designed and tested for precise vehicle fit and performance increases.
- Backed by engineering focused on airflow and long-term engine protection.
Frequently Asked Questions
-
Q: Will this fit my 2019 Audi A3 1.5L?
A: Yes direct drop-in replacement for all 2017-2021 Audi A3 1.5L L4 gas models including Sedan trims. -
Q: What material does the filter use?
A: Four layers of oiled cotton gauze media for high airflow and particle capture washable for reuse. -
Q: What warranty coverage applies?
A: No-Hassle Lifetime Limited Warranty covers defects in materials or workmanship for the vehicle life limitations apply see K&N for details.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Cardboard box 11.5 x 9.75 x 2.5 inches
- Weight: 1.2 lbs
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