K&N High Flow Air Filter
1019-0818 (MFG #: DU-9001)
$145.99
Sale price
$145.99
Regular price
$145.99
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K&N High Flow Air Filter for Kawasaki KX450X Dirt Bike
K&N
K&N High Flow Air Filter for Kawasaki KX450X Dirt Bike
K&N
$145.99
Sale price
$145.99
Regular price
$145.99
SKU:1019-0818
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Description
K&N Powersports High-Flow Air Filter
Upgrade your machine’s performance with a K&N High-Flow Powersports Air Filter. Designed to increase airflow while providing superior filtration, these premium reusable filters help your engine breathe better for improved horsepower, throttle response, and overall performance.
Built with oiled cotton gauze media, K&N filters capture dirt and debris while allowing more air to reach the engine compared to traditional paper filters. The result is better performance and long-term reliability for motorcycles, ATVs, UTVs, and other powersports machines.
Unlike disposable filters, K&N air filters are washable and reusable, helping reduce maintenance costs over time. With proper cleaning and oiling, one filter can last for the life of your vehicle.
Key Features
High-flow design improves airflow and engine performance
Superior filtration protects your engine from dirt and debris
Washable and reusable for long-term value
Durable oiled cotton gauze construction
Direct OEM replacement for easy installation
Designed specifically for motorcycles, ATVs, UTVs, and other powersports applications
Why Choose K&N?
K&N is a global leader in high-performance filtration, trusted by riders and racers worldwide. Their powersports air filters are engineered to deliver maximum airflow without sacrificing engine protection, helping you get the most out of your ride.
Technical Specifications
- MFG. Part Number DU-9001
Vehicle Information
Kawasaki KX450X Dirt Bike (2021-2026)
The Kawasaki KX450X (2021-2026) is a high-performance, dedicated cross-country racing motorcycle. Powered by a consistent 449cc liquid-cooled, four-stroke, DOHC single-cylinder engine, it offers robust power delivery across all model years, typically around 53 HP. Throughout this period, the KX450X has been offered as a single, specialized trim, built upon the KX450 motocross platform with off-road specific modifications. A significant generational update occurred in 2024, carrying over into the 2025 and 2026 models. This overhaul introduced a new engine with revised cylinder head and intake, a lighter aluminum perimeter frame, and a center exhaust for improved performance and handling. Key enhancements also included a Brembo front brake, advanced electronic rider aids like Kawasaki Traction Control (KTRC) and Bluetooth connectivity, plus updated ergonomics. The 2025 model saw a minor air-intake upgrade, while 2026 featured largely cosmetic changes. FAQ:
Q: How do I ensure this product fits my Kawasaki KX450X?
A: To guarantee compatibility, please use the year and edition selector at the top of the page.
Maintenance
| Component | Interval | Details |
| Engine Oil Changes | 10 hours (recreational use) or 5 hours (aggressive/race use) | |
| Oil Filter | With each oil change | |
| Air Filter Service | 15 hours (recreational, except 5 hours for 2021) or 5 hours (aggressive, except 2 hours for 2021) | Clean and re-oil regularly, especially in dusty or muddy conditions. |
| Spark Plug | Inspect and replace as needed | |
| Valve Inspections | 30 hours (recreational, except 20 hours for 2021) or 15 hours (aggressive, except 10 hours for 2021) | |
| Top-End Inspections (cylinder, piston) | 50 hours (recreational, except 60 hours for 2022) or 25 hours (aggressive, except 30 hours for 2022/2023) | |
| Bottom-End Inspections (crankshaft, transmission) | 100 hours (recreational use) or 50 hours (aggressive use) |
These intervals are general guidelines compiled from various sources and may not be 100% accurate. Always consult your specific model's official Kawasaki owner's manual for precise information.