| Brand | Polaris |
|---|---|
| Type | Sensor |
| Sensor Type | Oxygen Sensor |
| OE/OEM Part Number | 4016021 |
| Manufacturer Part Number | 4016021 |
Check the listing for details. Polaris Oxygen Sensor- OEM 4016021. Condition: New other (see details). Listed at 194.99 USD. A Polaris oxygen sensor is a vital component in a vehicle's exhaust system, designed to monitor the amount of oxygen present in the exhaust gases. This allows the ECU to adjust the fuel mixture, improving fuel efficiency, reducing emissions, and ensuring smoother engine operation.