GM Genuine Parts 12665061 heated oxygen sensor top view for precise exhaust monitoring and emissions control.
GM Genuine Parts 12665061 heated oxygen sensor installation view supports reliable engine feedback.
GM Genuine Parts 12665061 heated oxygen sensor top view for precise exhaust monitoring and emissions control.
GM Genuine Parts 12665061 heated oxygen sensor installation view supports reliable engine feedback.

GM Genuine Parts 12665061 Heated Oxygen Sensor | OE-Quality O2 Sensor for GM Vehicles

GM Genuine Parts 12665061 Heated Oxygen Sensor The heated oxygen sensor is a key component of your...
Vendor: GM GENUINE PARTS
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GM Genuine Parts 12665061 heated oxygen sensor top view for precise exhaust monitoring and emissions control.

GM Genuine Parts 12665061 Heated Oxygen Sensor | OE-Quality O2 Sensor for GM Vehicles

£49.31
GM Genuine Parts 12665061 heated oxygen sensor top view for precise exhaust monitoring and emissions control.
GM Genuine Parts 12665061 heated oxygen sensor installation view supports reliable engine feedback.

GM Genuine Parts 12665061 Heated Oxygen Sensor | OE-Quality O2 Sensor for GM Vehicles

£49.31
Description
Description
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GM Genuine Parts 12665061 Heated Oxygen Sensor

The heated oxygen sensor is a key component of your vehicle’s exhaust management system. As a precise feedback sensor, it monitors the oxygen level in exhaust gases and sends real-time data to the engine control module (ECM). This information helps the ECM adjust the air-to-fuel mix, supporting cleaner combustion and steadier performance across operating conditions.

In daily driving, a well-tuned air/fuel balance can contribute to smoother idle, responsive acceleration, and consistent performance from cold starts to highway cruising. The sensor is built to perform across a wide temperature range, ensuring reliable feedback that supports the overall efficiency of the engine system.

Key characteristics and what to expect

  • This part requires programming and/or special setup procedures. GM Service Information describes the procedures and 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

Practical benefits for daily driving

  • Helps maintain a precise signal to the ECM for balanced combustion across temperatures
  • Supports emissions tuning and potential improvements in fuel economy with regular replacement
  • Designed for GM-brand vehicles, aligning with factory specifications and performance expectations

Choosing GM Genuine Parts means opting for OE-aligned components backed by GM’s engineering and testing standards. This sensor is an integral piece of the vehicle’s exhaust management strategy, designed to deliver reliable feedback over time as part of routine maintenance.

FAQ

Q: Is the GM Genuine Parts 12665061 heated oxygen sensor compatible with my GM vehicle?

A: GM Genuine Parts are designed, engineered, and tested for GM vehicles; verify compatibility with your model using GM service information.

Q: Does this sensor require programming or special setup?

A: Yes, programming and/or special setup procedures may be required to ensure proper operation per GM service guidelines.

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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

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