
About this part
What it does. Ngk NGK H. I. Spark Plug NGK 481-91899 delivers the spark that ignites the air-fuel mixture in the cylinder.
Symptoms that point to this part
- Misfire codes
- Rough idle
- Hard starting
- Loss of power under load
Fitment. Catalogued as fitting 2020–2024 Subaru Crosstrek, 2020–2024 Subaru Legacy, 2024 Subaru Impreza, 2020–2023 Subaru Outback, 2023 Subaru Forester. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.