Heated Oxygen Sensor - GM (12659516)
Genuine OEM GM Parts & Accessories - 12659516
Heated Oxygen Sensor - GM (12659516)
Genuine OEM GM Parts & Accessories - 12659516
- GM
- 12659516
- 12637679
Details
- Brand:
- SKU:
12659516
- Other Names:
Oxygen Sensor
- Description: ACDelco Heated Oxygen Sensor (Part Number: 12659516) is a pre-catalyst heated oxygen sensor that detects oxygen content in exhaust gases to help optimize emissions control and engine tuning.World Parts Direct is an American corporation offering competitive prices, a compatibility guarantee, expert technical help, and OEM-backed warranty options.
- Also known as: Oxygen Sensor
- Function: Measures O2 in exhaust to support fuel-trim and emissions control systems (pre-catalyst, bank 1)
- Application notes: Multiple full-size GM truck/SUV models referenced (Tahoe, Yukon, Escalade, Sierra, Silverado, Suburban, Yukon XL, Escalade ESV); specific bank and mounting side noted in manufacturer text
- Service: May require programming and/or special setup procedures — follow GM Service Information for correct installation and calibration
- Quality: ACDelco OE-grade sensor designed to meet GM electrical and emissions performance requirements
- Underhood
- Emission Control Parts
- 21
- Condition: New
- Replaces:
12637679
- MSRP: $114.34
- Discount: $51.75 (45.3% off)
- Sale Price: $62.59
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- GM
- 12659516
- 12637679
Details
- Brand:
- SKU:
12659516
- Other Names:
Oxygen Sensor
- Description: ACDelco Heated Oxygen Sensor (Part Number: 12659516) is a pre-catalyst heated oxygen sensor that detects oxygen content in exhaust gases to help optimize emissions control and engine tuning.World Parts Direct is an American corporation offering competitive prices, a compatibility guarantee, expert technical help, and OEM-backed warranty options.
- Also known as: Oxygen Sensor
- Function: Measures O2 in exhaust to support fuel-trim and emissions control systems (pre-catalyst, bank 1)
- Application notes: Multiple full-size GM truck/SUV models referenced (Tahoe, Yukon, Escalade, Sierra, Silverado, Suburban, Yukon XL, Escalade ESV); specific bank and mounting side noted in manufacturer text
- Service: May require programming and/or special setup procedures — follow GM Service Information for correct installation and calibration
- Quality: ACDelco OE-grade sensor designed to meet GM electrical and emissions performance requirements
- Underhood
- Emission Control Parts
- 21
- Condition: New
- Replaces:
12637679
Also Purchased
Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
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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 2014-2020 vehicle. GM Parts & Accessories Limited Warranty.
