Replacement O2 Sensor for aRacer AF2 AF3

The Replacement O2 Sensor for aRacer's AF2 & AF3 Wideband kit is a fully plug-and-play sensor. This original replacement sensor is included in the wideband kit from the start. A clean and functioning O2 sensor is crucial for accurately calibrating your motorcycle; without it, you may encounter difficulties and potential future issues. These can range from improper readouts resulting in incorrect adjustments to no readings at all.

This O2 sensor is ready for installation, and we highly recommend using anti-seize on the threads before installing it. Additionally, take care not to touch the end of the sensor during installation to ensure optimal performance.