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Bosch Bosch Air Filter Bosch 284-5424WS

About this part

What it does. Bosch Bosch Air Filter Bosch 284-5424WS keeps dust and debris out of the intake so the engine draws clean air.

Symptoms that point to this part

  • Reduced fuel economy
  • Sluggish acceleration
  • Visibly dirty or clogged filter element

Service note. Typically inspected at every service and replaced roughly annually.

Fitment. Catalogued as fitting 2025–2026 Toyota 4runner, 2024–2026 Toyota Tacoma, 2019–2023 Dodge Durango, 2022 Jeep Grand Cherokee Wk, 2019–2022 Lexus Rx350l, 2019–2021 Jeep Grand Cherokee, 2020–2021 Lexus Rx350, 2018–2020 Toyota Sienna, 2019 Lexus Nx300, 2018 Toyota Highlander, 2018 Toyota Avalon. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.