OEM No: 39210-3C700 Oxygen Sensor Why you need it - Direct OE replacement for vehicles that use OEM part 39210-3C700, ensuring proper fit and wiring compatibility. - Made from durable materials for longer service life in high-heat exhaust environments. - OE form factor and connector design support easy installation and reliable operation. What it does - Measures oxygen levels in the exhaust and sends data to the engine control unit to optimize the air-fuel ratio. - Supports engine performance, fuel efficiency, and emissions control by maintaining accurate sensor readings. Key attributes - Function: oxygen sensing element and signal generation for ECU control. - Compatibility: designed as an OE replacement for 39210-3C700; matches standard sensor interfaces. - Material: durable sensor materials built to withstand engine bay conditions. - Performance: provides accurate sensing to help regulate combustion and emissions readiness. Use scenarios - Replacing a failing oxygen sensor in a passenger car or light truck to restore fuel economy and stable idle. - Servicing a vehicle showing symptoms related to O2 sensor performance, such as fluctuating idle or reduced MPG. - After exhaust system work, replacing the sensor to ensure proper readings and ECU adjustments.