About this part
What it does. Ngk NGK Laser Iridium Spark Plug NGK 481-91039 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 2019–2021 Buick Encore, 2020 Chevrolet Sonic. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.