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 No-Hassle Lifetime 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: Panel Air Filter
- Shape: Panel
- Media: Cotton Gauze
- Washable and reusable: Yes
- Height: 1.188 in (30 mm)
- Outside length: 10.563 in (268 mm)
- Outside width: 10.125 in (257 mm)
- Re-oil amount: 2.5 oz (74 ml)
- Package contents: 1 Air Filter
- Warranty: No-Hassle Lifetime Limited
- Part number: 33-5138
Vehicle Applications:
- 2026 Ford E350 Super Duty 7.3L V8
- 2026 Ford E450 Super Duty 7.3L V8
- 2025 Ford E350 Super Duty 7.3L V8
- 2025 Ford E450 Super Duty 7.3L V8
- 2024 Ford E350 Super Duty 7.3L V8
- 2024 Ford E450 Super Duty 7.3L V8
- 2023 Ford E350 Super Duty 7.3L V8
- 2023 Ford E450 Super Duty 7.3L V8
- 2022 Ford E350 Super Duty 7.3L V8
- 2022 Ford E450 Super Duty 7.3L V8
- 2021 Ford E350 Super Duty 7.3L V8
- 2021 Ford E450 Super Duty 7.3L V8
FAQ
What does the K&N 33-5138 fit?
It fits 2021-2026 Ford E350 & E450 7.3L V8. Check your exact year, make, model and engine against the vehicle application list before ordering.
Is the K&N 33-5138 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.
What warranty does it carry?
It is backed by the K&N No-Hassle Lifetime Limited Warranty.
