3921004100 Hyundai / KIA SENSOR ASSY-OXYGEN,FRT, Price: 138.01$, Weight: 0.1kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Hyundai / KIA |
3921004100 |
SENSOR ASSY-OXYGEN,FRT |
5 |
0.1 |
4-5 |
138.01$ |
Compatibility
| Market | Model Year From | Diagram |
|---|---|---|
| GEN | 2021 | View |
| Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|
| GEN | 2019 | 2022 | View |
| Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|
| GEN | 2019 | 2022 | View |
| Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|
| EUR | 2017 | 2020 | View |
| Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|
| GEN | 2018 | 2020 | View |
| Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|
| GEN | 2019 | 2022 | View |
| Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|
| GEN | 2019 | 2022 | View |
| Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|
| GEN | 2020 | 2023 | View |
| Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|
| EUR;GEN | 2014 | 2018 | View |
| Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|
| EUR;GEN | 2014 | 2018 | View |
| Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|
| EUR;GEN | 2018 | 2020 | View |
| Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|
| EUR;GEN | 2018 | 2020 | View |
| Market | Model Year From | Diagram |
|---|---|---|
| GEN | 2020 | View |
| Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|
| GEN | 2020 | 2023 | View |
| Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|
| EUR | 2016 | 2020 | View |
Front Oxygen Sensor (Upstream) for Precise Fuel Control ✅
This front O2 sensor is a key input for the engine computer. It is needed to measure oxygen level in the exhaust before the catalytic converter, so the ECU can correct air/fuel ratio in real time. When the mixture stays correct, you get smoother driving, better fuel economy, and lower emissions ?.
How It Works ?
The sensor sits in the exhaust stream and generates a signal based on oxygen content. The ECU reads this signal and adjusts injector pulse and fuel trims. During warm operation, it constantly “switches” rich/lean to keep combustion efficient and protect the catalyst.
What Happens If It’s Faulty ⚠️
A weak or dead sensor can cause rough idle, hesitation, higher fuel use, failed emission tests, and a persistent check-engine light. Long-term driving with wrong readings may overheat or contaminate the catalytic converter, leading to expensive repairs.
Why Replace On Time
Replacing restores correct feedback control, reduces soot and fuel smell, and helps keep the engine running clean and responsive ?.
Compatibility
- B2200