Toyota Corolla 121 Engine Air Filter (17801-22020 / A1003)

Fitment: Fits Toyota Corolla 121 (NZE121, ZZE121, ZZE122, CE121), Corolla Fielder / RunX / Allex (120 series), Allion / Premio (240 series), and Wish (10 series) — Engine Intake Air Filter

Replacement engine intake air filter element for Toyota Corolla 121 series models. Traps airborne dust, dirt, soot, and road debris before air enters the intake manifold, preserving optimal air-fuel mixture and combustion efficiency. Prevents sluggish acceleration, reduced fuel economy, engine hesitation, and internal engine cylinder wear caused by contaminated air or clogged filter media. Constructed with high-density pleated filter paper bounded by a flexible elastomeric sealing edge to prevent air bypass.