Yamaha YZ450FX Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Yamaha YZ450FX air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Yamaha YZ450FX Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Yamaha YZ450FX run better. Fast and FREE SHIPPING with any Yamaha YZ450FX air filter

  1. 2023 Yamaha YZ450FX 450 air filter
    Special Price £59.99 Regular Price £79.99
    YA-4518XD
    K&N
  2. 2022 Yamaha YZ450FX 450 air filter
    Special Price £59.99 Regular Price £79.99
    YA-4518XD
    K&N
  3. 2021 Yamaha YZ450FX 449 air filter
    Special Price £59.99 Regular Price £79.99
    YA-4518XD
    K&N
  4. 2020 Yamaha YZ450FX 449 air filter
    Special Price £59.99 Regular Price £79.99
    YA-4518XD
    K&N
  5. 2019 Yamaha YZ450FX 449 air filter
    Special Price £59.99 Regular Price £79.99
    YA-4518XD
    K&N
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