Downstream O2 Oxygen Sensor for Hyundai Elantra Sonata Accent Kia Soul Optima

• 2016-2020 Kia Optima L4 1.6L - Location: Downstream; Bank 1 Sensor 2. • 2021-2021 Hyundai Elantra L4 1.6L - Location: Downstream; Bank 1 Sensor 2; FULL HYBRID EV-GAS (FHEV). • 2017-2020 Hyundai Elantra L4 1.6L - Location: Downstream; Bank 1 Sensor 2.