LTG Primary O2 Sensor $39.99 Default Title Add to Cart Please enter your email below if you'd like to be notified when it's available. Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. This is a replacement primary o2 sensor for your LTG car. It fits the below 2.0 liter equipped vehicles. CADILLAC ATS 2013-2015 CADILLAC CTS 2014-2015