Denso LS3 O2 Sensor
This is a Denso O2 Sensor for most Gen 4 LS Engine Applications. This is a 4 wire Trapezoidal Black Plug sensor, please verify that the harness you are using requires this type of sensor! This sensor will work with ALL LOJ Gen 4 58X wiring harnesses. This is the same sensor you would find on a C6 Corvette.