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K&N 2018 Kawasaki EX400 Ninja Replacement Air Filter
K&N 2018 Kawasaki EX400 Ninja Replacement Air Filter
K&N 2018 Kawasaki EX400 Ninja Replacement Air Filter
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K&N 2018 Kawasaki EX400 Ninja Replacement Air Filter

Marsoni M251S
Sale price$55.19
Pay 4 payments of $13.80 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
K&N 2018 Kawasaki EX400 Ninja Replacement Air FilterSKU: KA 4018 UPC: 024844368539 K&N KA 4018 Replacement Air Filter for 2018 2021 Kawasaki Ninja 400 Z400 Replace your stock air filter with the K&N KA 4018 high flow unit designed for 2018 2021 Kawasaki Ninja 400 (EX400) and Z400 (ER400) models including ABS and KRT editions. This direct fit filter delivers low restriction for better airflow increased horsepower and torque while maintaining strong engine protection. Pre oiled and ready to install it
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Your K&N 2018 Kawasaki EX400 Ninja Replacement Air Filter orders ship within 1-2 business days.

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  • Fast: 2-3 business days
  • Express: 1-2 business days

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
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Product Reviews
C
Verified Purchase
CL
Fort Morgan, US
★★★★★ 5
Quick Fix for Tired Eyes
Size: 1 Count (Pack of 6)
These feel great and really help reduce puffiness and dark circles under my eyes. Super refreshing and easy to use, especially in the morning or in the evening before going out.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
R
Verified Purchase
Rek
Louisville, US
★★★★★ 4
eye rific
Size: 1 Count (Pack of 6)
Great product eliminates the bags under my eyes
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
K
Verified Purchase
K. Saleem
Los Angeles, US
★★★★★ 5
Bags be gone !!!
Size: 1 Count (Pack of 6)
Seems to be working and I can see the results
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
R
Verified Purchase
Randy Groves
Massapequa, US
★★★★★ 1
Difficult to stay on
Size: 1 Count (Pack of 6)
Won't stay on your face. Only a few patches come in the box for a few days. Price sounds good until you realize the quantity isn't much. I did not notice any difference.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
C
Verified Purchase
Concerned Citizen
Los Angeles, US
★★★★★ 5
Great product you should try
Size: 1 Count (Pack of 6)
I love these patches, have been my favorite go to since they came out. I think they do better than any other patch, spray, or gel I have used so far.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026

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