K&N has been the #1 brand in High-Flow performance air filtration since 1969, delivering industry-leading performance and protection for whatever you drive. Now offering a extended-life solution for everyday drivers, K&N’s proven technology is available in a premium 24,000-mile filter, providing up to 2X the service life compared to traditional 12,000-mile disposable filters. Featuring specially treated synthetic or cellulose-blend filter media (based on application), these filters deliver up to 99.5% engine protection. Designed to meet or exceed OEM specifications, they install easily into the factory air box in just minutes.
Specifications:
- Product type: Drop-In Air Filter
- Style: Oval Air Filter
- Shape: Oval
- Filter line: Advantage+
- Media: Cellulose Blend
- Washable and reusable: No
- Height: 8.938 in (227 mm)
- Outside length: 10 in (254 mm)
- Outside width: 7.25 in (184 mm)
- Efficiency: Up To 99.5% Efficiency
- Package contents: 1 Air Filter
- Warranty: 1 Year Limited
- Part number: KNF-0644
Vehicle Applications:
- 2019 Ford F250 Super Duty 6.7L V8
- 2019 Ford F350 Super Duty 6.7L V8
- 2019 Ford F450 Super Duty 6.7L V8
- 2019 Ford F550 Super Duty 6.7L V8
- 2018 Ford F250 Super Duty 6.7L V8
- 2018 Ford F350 Super Duty 6.7L V8
- 2018 Ford F450 Super Duty 6.7L V8
- 2018 Ford F550 Super Duty 6.7L V8
- 2017 Ford F250 Super Duty 6.7L V8
- 2017 Ford F350 Super Duty 6.7L V8
- 2017 Ford F450 Super Duty 6.7L V8
- 2017 Ford F550 Super Duty 6.7L V8
FAQ
What does the K&N KNF-0644 fit?
It fits 2017-2019 Ford F250, F350, F450 & F550 6.7L V8. Check your exact year, make, model and engine against the vehicle application list before ordering.
Is the K&N KNF-0644 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 99.5% efficiency.
What warranty does it carry?
It is backed by the K&N 1 Year Limited Warranty.
