Heated Oxygen Sensor - GM (12645561)
Genuine OEM GM Parts & Accessories - 12645561
Heated Oxygen Sensor - GM (12645561)
Genuine OEM GM Parts & Accessories - 12645561
- GM
- 12645561
Details
- Brand:
- SKU:
12645561
- Positions: Upper
- Other Names:
Oxygen Sensor
- Description: ACDelco Heated Oxygen Sensor (Part Number: 12645561) is a heated O2 sensor assembly that measures exhaust oxygen content to support emissions control and engine tuning.World Parts Direct is a U.S.-based company offering OE-tier emission sensors with a compatibility guarantee, competitive pricing, and expert technical support for installation and diagnostics.
- Type: SENSOR ASM-HTD OXY (PRE-CATALY / Emission Control Parts
- Function: Detects oxygen content in exhaust gases to help optimize fuel/air mixture and emissions systems
- Applications: Installed in upper locations for multiple ATS/CTS/2.0L/2.5L turbo and non-turbo configurations (verify vehicle-specific fitment)
- Service note: May require programming or special setup—refer to GM Service Information
- Also known as: Oxygen Sensor
- Underhood
- Emission Control Parts
- 21
- Condition: New
- MSRP: $93.76
- You Save: $38.97 (41.6% off)
- Sale Price: $54.79
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- GM
- 12645561
Details
- Brand:
- SKU:
12645561
- Positions: Upper
- Other Names:
Oxygen Sensor
- Description: ACDelco Heated Oxygen Sensor (Part Number: 12645561) is a heated O2 sensor assembly that measures exhaust oxygen content to support emissions control and engine tuning.World Parts Direct is a U.S.-based company offering OE-tier emission sensors with a compatibility guarantee, competitive pricing, and expert technical support for installation and diagnostics.
- Type: SENSOR ASM-HTD OXY (PRE-CATALY / Emission Control Parts
- Function: Detects oxygen content in exhaust gases to help optimize fuel/air mixture and emissions systems
- Applications: Installed in upper locations for multiple ATS/CTS/2.0L/2.5L turbo and non-turbo configurations (verify vehicle-specific fitment)
- Service note: May require programming or special setup—refer to GM Service Information
- Also known as: Oxygen Sensor
- Underhood
- Emission Control Parts
- 21
- Condition: New
Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
WorldPartsDirect.com
Thanks for shopping with World Parts Direct, home of the low-price and right-part-guarantee! Everything we carry is genuine, OEM and ships straight from a licensed dealership. All of our products are backed by a nationwide warranty and can be returned within 30 days if you no longer need it. What's the catch? There isn't one! Nobody beats our prices and nobody offers higher quality parts than we do, and if we cannot get the part you need, nobody can! We offer hundreds of thousands of unique items, including discontinued parts. Your satisfaction is our top priority and we hope you'll give us the opportunity to earn your business today.
GM

Built with GM’s engineering expertise, ACDelco and OEM GM parts are factory original equipment replacement parts for your Chevy, Buick, Cadillac, GMC, Saturn, Pontiac, Oldsmobile or Hummer. Every ACDelco and OEM GM part is rigidly held to federal safety and quality standards and is guaranteed by GM Replacement Parts Limited Warranty. You can trust GM Genuine Parts when ordering this Heated Oxygen Sensor for your 2013-2016 Cadillac vehicle. GM Parts & Accessories Limited Warranty.
