About this part
What it does. K And N Oil Filter K&N 400-HP-1004 traps metal particles and combustion soot so the engine oil stays clean between services.
Symptoms that point to this part
- Low oil pressure warning
- Dark, gritty oil
- Ticking from the valvetrain on start-up
Service note. Replaced at every oil change.
Fitment. Catalogued as fitting 2026 Kia Niro, 2026 Toyota Gr86, 2026 Subaru Wrx, 2020–2023 Kia Rio, 2022 Kia Stinger. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.