Upstream Oxygen Sensor - Compatible with 2017 - 2020 Hyundai Elantra 2018 2019

Upstream Oxygen Sensor - Compatible with 2017 - 2020 Hyundai Elantra

Position: Upstream

Note: OE Base Sensor; B1S1

Sensor Type: Heated

Universal Or Specific Fit: Specific

Wire Quantity: 5

Features:
- Coated in with electrodes made of a gas-permeable platinum layer.
- Coating prevents contamination and erosion of the electrode surfaces by combustion residue and particulates in the exhaust gases.
- Monitors exhaust gases and reduces pollutants for a cleaner environment.
- Measures oxygen levels to fine-tune air-fuel mixture, improving fuel economy and saving costs.
- Determines the oxygen content of the exhaust gas, monitoring the air fuel ratio for combustion efficiency.

Compatible With or Fits:
- 2017 - 2020 Hyundai Elantra 1.4L 4 Cyl VIN: A FI Turbocharged GAS
- 2017 - 2020 Hyundai Elantra 1.6L 4 Cyl VIN: B FI Turbocharged GAS

Fits Years: 2017 2018 2019 2020