Cadillac Oxygen Sensor 0258010017 12601266 12616202 12634063 Direct Replacement

2007–2014 Cadillac CTS, SRX, ATS and 2010–2015 SLS 3.0L/3.6L models dedicated oxygen sensor (OEM 12601266), compatible with replacements 12616202, 12634063, 0258010017, etc. Installed in exhaust system to precisely control air-fuel ratio, improve fuel economy and reduce emissions. Replacement difficulty is medium; use a special socket to avoid thread damage; apply anti-seize on threads before installation.