












⚡ Drive smarter, cleaner, and faster—join the elite airflow revolution!
The K&N High-Flow Original Lifetime Engine Air Filter is a premium, washable air filter engineered to boost engine horsepower and acceleration by increasing airflow up to 50%. Designed with four layers of cotton gauze media, it traps harmful contaminants while lasting the lifetime of your vehicle with minimal maintenance—clean only every 75,000 miles. Compatible with select 1981-2021 Faw, Ford, Infiniti, and Nissan models, this eco-friendly upgrade is easy to install, proudly made in the USA, and backed by a limited lifetime warranty.





| Brand | K&N |
| Product Dimensions | 13.5"L x 7.75"W x 1.75"H |
| OEM Part Number | 16546AA020, 1N0013Z40, 894132687, 894516143, 92041796 |
| Global Trade Identification Number | 00024844071873 |
| Shape | Panel |
| Manufacturer | K&N Engineering |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 024844071873 |
| Model | High-Flow Engine Air Filter |
| Item Weight | 10.6 ounces |
| Item model number | 33-2031-2 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 33-2031-2 |
| Safety Rating | Não aplicável |
| National Stock Number | 4310-01-587-4070 |