K&N 2018-2019 Yamaha YZ450F Replacement Air Filter - YA-4518XD

K&N Engineering is a renowned leader in high-performance air filtration and induction systems, dedicated to providing superior airflow, engine protection, and enhanced performance. Made in the USA, K&N designs and manufactures a wide range of products, including washable air filters, cold air intakes, and performance air filtration systems, for vehicles, motorcycles, trucks, and more. With over 50 years of innovation, K&N utilizes advanced cotton-gauze technology to deliver exceptional filtration while boosting horsepower and fuel efficiency. Trusted by automotive enthusiasts and racing professionals worldwide, K&N Engineering continues to set the standard for quality, durability, and performance in the automotive industry.

K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air-flow with excellent filtration.

Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2019-2020	Yamaha	WR450F	Base
2019-2023	Yamaha	YZ250F	Base
2021-2023	Yamaha	YZ250F Monster Energy Yamaha Racing Edition	Base
2018-2022	Yamaha	YZ450F	Base
2021-2022	Yamaha	YZ450F Monster Energy Yamaha Racing Edition	Base
2019-2023	Yamaha	YZ450FX	Base

Fitment Years: 2018, 2019, 2020, 2021, 2022, 2023.