Rear O2 Sensor Replacement Sub Harness

Prevent ECU failure due to a shorting out Rear 02 Sensor Harness! Don't let an old rear oxygen sensor sub harness fail and cause ECU damage when the power wire grounds out on either the transmission or downpipe. Also great for turbo engine swaps that do not utilize the turbo transmission with attached sub harness or sub harness was not received. Built with military grade materials to withstand the harsh environment underneath the car that includes heat, vibration, and debris. Fitment Notes: Length is 30 inches. Replacement for Subaru OEM part #24039AA231 Custom lengths available on request. If you need a short extension please click here.