K&N Engineering knnKA-4018 Replacement Air Filter for Kawasaki Motorcycles

The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Built with premium oiled cotton gauze, this washable and reusable air filter is designed for long-lasting performance, a precision OEM-style fit, and durable construction to keep your motorcycle performing ride after ride. The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Associated products: 99-5000 Filter Care Service Kit Aerosol

• PRECISION OEM-STYLE FIT: Made with application specific seamless sealing beads and custom seals for easy installation (Where Applicable).
• Pleated cotton media provides a large filtration area offering low restriction, high-capacity and long service intervals
• Multiple layers of woven cotton gauze media offers excellent filtration
• Designed to provide increased horsepower and torque
• Washable & reusable, pre-oiled and ready to ride
• Application specific base seal and sealing bead
• No-Hassle Lifetime Limited Warranty
• Made in the USA for over 40 years

The K&N Engineering knnKA-4018 High-Flow Air Filter is a replacement air filter for select Kawasaki motorcycles. It is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. The filter features a precision OEM-style fit with application-specific sealing beads and seals where applicable.

Built with pleated, multiple-layer woven cotton gauze media, this washable and reusable filter provides a large filtration area, low restriction, high capacity and long service intervals. It is pre-oiled and ready to ride, with a durable construction designed for long-lasting performance. K&N states that the filter is made in the USA and includes a No-Hassle Lifetime Limited Warranty.

Key Features & Performance Benefits

• High-flow design: Increases airflow for improved horsepower, torque, throttle response and acceleration.
• Washable and reusable: Designed for long-lasting use and comes pre-oiled and ready to ride.
• Cotton gauze media: Multiple woven layers provide excellent filtration with low restriction and high capacity.
• Precision fit: Application-specific sealing beads, base seals and custom seals support easy installation where applicable.

Key Product Specifications & Technical Data

• Brand: K&N Engineering
• Part number: knnKA-4018
• Product type: Motorcycle replacement air filter
• Filter media: Pleated cotton gauze
• Construction: Multiple layers of woven cotton gauze media
• Condition: Pre-oiled and ready to ride
• Reusability: Washable and reusable
• Warranty: No-Hassle Lifetime Limited Warranty

What's Included in the Box

• One K&N Engineering knnKA-4018 replacement air filter

Fitment

Fits 2019 Kawasaki Z400 ABS; 2019 Kawasaki EX400 Ninja 400; 2020 Kawasaki ER400 Z400 ABS; 2020 Kawasaki EX400 Ninja 400; 2020 Kawasaki EX400 Ninja 400 ABS; 2020 Kawasaki EX400 Ninja 400 KRT Edition; 2020 Kawasaki EX400 Ninja 400 ABS KRT Edition; 2021 Kawasaki EX400 Ninja 400; 2021 Kawasaki EX400 Ninja 400 ABS; and 2021 Kawasaki ER400 Z400 ABS.

Fitments:
2019 Kawasaki EX400 Ninja 400 Base
2019 Kawasaki EX400 Ninja 400 ABS Base
2019 Kawasaki Z400 ABS Base
2020 Kawasaki ER400 Z400 ABS Base
2020 Kawasaki EX400 Ninja 400 Base
2020 Kawasaki EX400 Ninja 400 ABS Base
2020 Kawasaki EX400 Ninja 400 ABS KRT Edition Base
2020 Kawasaki EX400 Ninja 400 KRT Edition Base
2021 Kawasaki ER400 Z400 ABS Base
2021 Kawasaki EX400 Ninja 400 Base
2021 Kawasaki EX400 Ninja 400 ABS Base
2022 Kawasaki ER400 Z400 ABS Base
2022 Kawasaki EX400 Ninja 400 Base
2022 Kawasaki EX400 Ninja 400 ABS Base
2022 Kawasaki EX400 Ninja 400 ABS KRT Edition Base
2023 Kawasaki EX400 Ninja 400 Base
2023 Kawasaki EX400 Ninja 400 ABS Base
2023 Kawasaki EX400 Ninja 400 ABS KRT Edition Base
2023 Kawasaki EX400 Ninja 400 KRT Edition Base
2026 Kawasaki KLE500 Base
2026 Kawasaki KLE500 SE Base

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1