About this part
What it does. Ngk NGK COP (Pencil Type) Ignition Coil NGK 481-49018 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 2019–2022 Buick Enclave, 2020–2021 Chevrolet Traverse, 2019–2020 Chevrolet Impala, 2019 Cadillac Xts. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.