GM Genuine Parts 12627139 Heater Oxygen Sensor

GM Genuine Parts 12627139 Heater Oxygen Sensor

• This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
• Detects oxygen content in the exhaust gases to help optimize emissions
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle