About this part
What it does. Ngk NGK Iridium IX Spark Plug NGK 481-94631 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 2019–2025 Lexus Is300, 2019–2024 Lexus Rc300, 2019–2021 Lexus Nx300, 2019 Lexus Gs300. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.