K&N High-Flow Air Filter — Fits 2018-2023 Kawasaki EX400 Ninja 400 / Z400

SKU: KNNKA-4018
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About K&N Engineering K&N has been the world's leader in ...Read More

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Sale price$64.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Unleash More Power with the K&N High-Flow Air Filter for Kawasaki Ninja 400 / Z400

Upgrade your 2018-2023 Kawasaki EX400 Ninja 400 or Z400 with the K&N High-Flow Replacement Air Filter (KA-4018). Engineered to provide a significant increase in airflow, this performance air filter is designed to boost horsepower and acceleration while offering superior engine protection. It's a simple, cost-effective upgrade that delivers immediate benefits for your motorcycle.

Key Performance Advantages:

  • Increased Horsepower & Torque: Experience a noticeable improvement in engine performance due to optimized airflow.
  • Excellent Engine Protection: Advanced filtration media effectively captures harmful contaminants, safeguarding your engine.
  • Washable & Reusable: Designed for long-term use, simply wash and re-oil the filter, eliminating the need for frequent replacements.
  • Easy Installation: A direct drop-in replacement for your stock air filter, requiring no modifications to your airbox.
  • Durable Construction: Built with high-quality materials to withstand the rigors of motorcycle riding.

The K&N KA-4018 air filter is compatible with various Kawasaki EX400 Ninja 400 and ER400 Z400 models from 2018 to 2023, including ABS and KRT editions. Enhance your bike's performance and efficiency with K&N's legendary air filtration technology, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2020-2022 Kawasaki ER400 Z400 ABS Base
2019-2023 Kawasaki EX400 Ninja 400 Base
2019-2023 Kawasaki EX400 Ninja 400 ABS Base
2020 Kawasaki EX400 Ninja 400 ABS KRT Edition Base
2022-2023 Kawasaki EX400 Ninja 400 ABS KRT Edition Base
2023 Kawasaki EX400 Ninja 400 KRT Edition Base
2019 Kawasaki Z400 ABS Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Unleash More Power with the K&N High-Flow Air Filter for Kawasaki Ninja 400 / Z400

Upgrade your 2018-2023 Kawasaki EX400 Ninja 400 or Z400 with the K&N High-Flow Replacement Air Filter (KA-4018). Engineered to provide a significant increase in airflow, this performance air filter is designed to boost horsepower and acceleration while offering superior engine protection. It's a simple, cost-effective upgrade that delivers immediate benefits for your motorcycle.

Key Performance Advantages:

  • Increased Horsepower & Torque: Experience a noticeable improvement in engine performance due to optimized airflow.
  • Excellent Engine Protection: Advanced filtration media effectively captures harmful contaminants, safeguarding your engine.
  • Washable & Reusable: Designed for long-term use, simply wash and re-oil the filter, eliminating the need for frequent replacements.
  • Easy Installation: A direct drop-in replacement for your stock air filter, requiring no modifications to your airbox.
  • Durable Construction: Built with high-quality materials to withstand the rigors of motorcycle riding.

The K&N KA-4018 air filter is compatible with various Kawasaki EX400 Ninja 400 and ER400 Z400 models from 2018 to 2023, including ABS and KRT editions. Enhance your bike's performance and efficiency with K&N's legendary air filtration technology, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2020-2022 Kawasaki ER400 Z400 ABS Base
2019-2023 Kawasaki EX400 Ninja 400 Base
2019-2023 Kawasaki EX400 Ninja 400 ABS Base
2020 Kawasaki EX400 Ninja 400 ABS KRT Edition Base
2022-2023 Kawasaki EX400 Ninja 400 ABS KRT Edition Base
2023 Kawasaki EX400 Ninja 400 KRT Edition Base
2019 Kawasaki Z400 ABS Base

Product Details

Product Description

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Unleash More Power with the K&N High-Flow Air Filter for Kawasaki Ninja 400 / Z400

Upgrade your 2018-2023 Kawasaki EX400 Ninja 400 or Z400 with the K&N High-Flow Replacement Air Filter (KA-4018). Engineered to provide a significant increase in airflow, this performance air filter is designed to boost horsepower and acceleration while offering superior engine protection. It's a simple, cost-effective upgrade that delivers immediate benefits for your motorcycle.

Key Performance Advantages:

  • Increased Horsepower & Torque: Experience a noticeable improvement in engine performance due to optimized airflow.
  • Excellent Engine Protection: Advanced filtration media effectively captures harmful contaminants, safeguarding your engine.
  • Washable & Reusable: Designed for long-term use, simply wash and re-oil the filter, eliminating the need for frequent replacements.
  • Easy Installation: A direct drop-in replacement for your stock air filter, requiring no modifications to your airbox.
  • Durable Construction: Built with high-quality materials to withstand the rigors of motorcycle riding.

The K&N KA-4018 air filter is compatible with various Kawasaki EX400 Ninja 400 and ER400 Z400 models from 2018 to 2023, including ABS and KRT editions. Enhance your bike's performance and efficiency with K&N's legendary air filtration technology, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2020-2022 Kawasaki ER400 Z400 ABS Base
2019-2023 Kawasaki EX400 Ninja 400 Base
2019-2023 Kawasaki EX400 Ninja 400 ABS Base
2020 Kawasaki EX400 Ninja 400 ABS KRT Edition Base
2022-2023 Kawasaki EX400 Ninja 400 ABS KRT Edition Base
2023 Kawasaki EX400 Ninja 400 KRT Edition Base
2019 Kawasaki Z400 ABS Base

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