About this part
What it does. Denso Spark Plug Denso 735-3501 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 2021 Hyundai Accent, 2019–2020 Hyundai Elantra, 2020 Kia Optima, 2020 Kia Rio, 2019 Hyundai Sonata. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.