About this part
What it does. Bosch Bosch Oil Filter Bosch 284-3974 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 2020–2022 Subaru Impreza, 2021 Subaru Outback, 2020–2021 Subaru Crosstrek, 2019–2021 Subaru Forester, 2019–2020 Subaru Wrx Sti, 2019–2020 Subaru Ascent, 2020 Subaru Legacy. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.