K&N Filters air filter details
K&N Filters Replacement Panel Air Filter for E350/E450 SD (KNN33-5138)
Upgrade your vehicle's performance with the K&N Filters Replacement Panel Air Filter for E350/E450 SD (KNN33-5138). Designed to fit the 2021 Ford E350 and E450 Super Duty with the 7.3L V8 gas engine, this high-flow panel air filter improves engine airflow while offering excellent filtration. Washable and reusable, this drop-in filter is a reliable long-term replacement for your stock filter and helps maintain consistent horsepower and throttle response. Backed by K&N's trusted performance engineering, it's built to last and easy to install.
Features and Specifications:
Vehicle Fitment: 2021 Ford E350/E450 Super Duty 7.3L V8 Gas
Height: 1.188 in (30 mm)
Outside Length: 10.563 in (268 mm)
Outside Width: 10.125 in (257 mm)
Weight: 1.5 lb (0.7 kg)
Engineered Power: State-of-the-art air filter media boosts horsepower and acceleration while enhancing overall engine performance.
Rugged Construction: Made from durable, premium materials and advanced construction methods for long-lasting performance.
4 Layers of Protection: Premium cotton gauze treated with a specialized tacking agent blocks and traps harmful contaminants.
Low Maintenance: Clean every 75,000 miles (5 years) under normal highway driving conditions.
Reusable Design: Saves up to $125 over 200,000 miles by replacing disposable filters with a washable, reusable air filter.
Easy Installation: Pre-oiled and ready for quick, hassle-free installation into the factory air box.
Reduces Waste: This helps reduce landfill waste by eliminating the need for disposable air filters and packaging.
Product identification
- Brand: K&N Filters
- Model / MPN: KNN33-5138
Air filter replacement: see the listed specifications for this model.
