Aracer AF1/AF2/AF3 Replacement O2 Sensor

Replacement Aracer AF1, AF2 & AF3 wideband O2 Sensor. 100% Plug and Play with your AF1, AF2 & AF3 modules. 

Signs that your sensor is bad are the following.

 - Reads 25.5 consistently.

 - Inconsistent readings. 13.3->18.0->9.0->15.0

 - Stuck at 18.0 

*All sensors will come with our limited lifetime warranty.