K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of the vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into the factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!.
Specifications:
- Product type: Drop-In Air Filter
- Style: Round Air Filter
- Shape: Round
- Filter line: High-Flow
- Media: Cotton Gauze
- Washable and reusable: Yes
- Height: 4 in (102 mm)
- Outside diameter: 14 in (356 mm)
- Inside diameter: 12 in (305 mm)
- Efficiency: Up To 99% Efficiency
- Re-oil amount: 2.25 oz (67 ml)
- Package contents: 1 Air Filter
- Warranty: No-Hassle Lifetime Limited
- Part number: E-3730
FAQ
What does the K&N E-3730 fit?
It fits a range of vehicles. Contact us with your year, make, model and engine to confirm the correct part before ordering.
Is the K&N E-3730 washable and reusable?
Yes. The K&N media is washable and reusable; clean and re-oil it with a K&N Recharger kit instead of replacing it.
How efficient is the filter?
K&N rates this filter at up to 99% efficiency.
What warranty does it carry?
It is backed by the K&N No-Hassle Lifetime Limited Warranty.
