Performance airflow and filtration products for your diesel pickup
K&N® offers a full range of diesel performance products engineered to improve airflow, enhance Filtration, and provide improved towing pertormance for diesel trucks. From Intake upgrades to performance replacement filters, each K&N product Is designed to support the demands of modern diesel trucks whether on the job, on the road or where the road ends.
the next generation of diesel intake technology
Diesel pickup truck owners can now enjoy the benefits of the latest intake technology from K&N. NextGen intakes are installed in about 60 minutes, provide improved towing performance, and provide peace of mind thanks to the K&N Lifetime Limited Warranty.
nextgen diesel intake features
nextgen airbox
FLOWS MORE AIR. STOPS UP TO 99% OF DIRT
OVERSIZED INTAKE TUBE
intake options for every diesel driver
K&N offers multiple intake styles to match your diesel truck setup. Whether it's the classic style intake or the latest NextGen intake design, every option is engineered for excellent airflow and performance. The result is improved response, confident protection, and power you can feel.
- Filter Type:
- Tube Material:
- Air Box:
- Est.Power Gain:
- Starting Price:
- Special Offers:
- High-Flow Oiled Cotton Filter
- Heat-Resistant Polyethylene (HDPE) Tube
- Open Heat Shield or Enclosed Air Box
- 5-10% Over Stock*
- $349.99
- Not On Promotion
Unmatched Power and Iconic Style.
- NextGen Oversized, Quick-Lock, Dryflow Oil-Free Synthetic Filter
- Oversized (HDPE) Tube with Integrated Airflow Channels
- NextGen Hybrid Air Box with an Enlarged Factory Inlet
- 10-15% Over Stock*
- $449.99
- Not On Promotion
Distinctive, Unique Style.
- High-Flow Oiled Cotton Filter
- High-Strength Powder-Coated Aluminum Tube
- Open Heat Shield
- 5-10% Over Stock*
- $499.99
- Not On Promotion
*HORSEPOWER GAINS BASED ON SPECIFIC OR SIMILAR VEHICLE DYNAMOMETER TEST. RESULTS WILL VARY.
DRYFLOW CONVENIENCE. HIGH-FLOW PERFORMANCE.
K&N Engineering High-Flow and Dryflow replacement air filters for Diesel Trucks are designed as drop in replacements for the factory air filter. They are engineered to increase airflow, protect your engine, and are engineered to last the life of your diesel workhorse.
Filter Features
FACTORY FIT
Easy installation in your factory air box.
ELEVATED PERFORMANCE
High airflow designed to enhance hauling and towing power.
LIFETIME FILTER
Backed by the K&N Lifetime Limited Warranty
HIGH-FLOW OR DRYFLOW
Longer cleaning interval and better performance with High-Flow vs DryFlow’s convenient cleaning and maintenance.
MADE INTHE USA
Proudly made in the USA.
Choose the filter that's right for you
- FILTER MEDIA:
- SERVICE INTERVAL:
- AIRFLOW IMPROVEMENT:
- FILTRATION EFFICIENCY:
- CLEAING PROCESS:
- 3 Layers of Lofted Dryflow Synthetic
- Up to 50,000 Miles Between Cleanings
- Average of 13% Over Stock*
- Up to 99% Efficiency**
- Two Step Process With No Oil Required
- 6 Layer of Diesel-spec Fine Weave Oiled Cotton
- Up to 75,000 Miles Between Cleanings
- Average of 49% Over Stock*
- Up to 99% Efficiency**
- Three Step Process, Requiring Air Filter Re-Oiling
*Based on CFM comparisions from stock intake to K&N on 2025 Chevrolet silverado 1500 5.3L. Results will vary. **Cumulative efficiency using ISO 5011 Test Protocol. Efficiency Caries by application.
k&n diesel airflow and filter products for popular diesel truck applications
A complete lineup of diesel truck products to fit your performance needs
K&N performance diesel parts outfit diesel trucks from bumper to bumper. In addition to air intakes and air filters, K&N also manufactures the parts needed to improve the diesel truck performance and reliability, including fuel filters, oil filter, cabin air filters and charge pipes.
High-flow fuel filtration that protects engine performance.
Premium oil filtration, engineered to perform.
Washable cabin filters for cleaner air.
Stronger, smoother piping that supports increased airflow.
