O2 Extension Harness Ford 1) 12" Extension Harness (4-Pin) Round Connector

O2 Extension Harness Ford 1) 12" Extension Harness (4-Pin) Round Connector. Sold individually. Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should Typically be ordered as a replacement for damaged or lost Oxygen Sensor Extensions. For installation of part # 11312000 or 11312200 on a 2005-2010 4.6L 3V Mustang GT with Automatic Transmission, 2 pcs required. No additional parts required for installation of part# 11312010.