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- Brand:
- SKU:
12662659
- GTIN: 00808709273660
- UPC: 808709273660
- Positions: Downstream
- Other Names:
12662659
- Description: ACDelco GM Original Equipment NOx (Nitrogen Oxide) Sensors are exhaust gas sensors that detect the nitrogen oxide content of exhaust from diesel engines, and are GM-recommended replacements for your vehicle's original components. The information from these sensors is used by the engine control module (ECM) to adjust various parameters to help reduce harmful emissions. These original equipment nitrogen oxide sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Condition: New
- Warranty:
Nitrogen Oxide Sensor - ACDelco (12662659)
- Sale Price: $305.93
Pricing is valid online only and may vary in your local store
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Brand
ACDelco
Shop ACDelco Parts Online – Genuine GM Aftermarket Quality
Explore ACDelco, the official General Motors (GM) original equipment and aftermarket parts brand, now available at AutoNation’s Aftermarket Store. Trusted by professional technicians and vehicle owners worldwide, ACDelco offers high-quality parts engineered for reliability, durability, and OE-level performance.
With a full lineup that includes:
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Starters & alternators
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Brake pads & rotors
-
Oil filters & air filters
-
Ignition components
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Suspension & steering parts
…ACDelco ensures a precise fit for GM vehicles and a wide range of non-GM makes and models.
Backed by a 24-month/unlimited-mile limited warranty, ACDelco parts meet rigorous industry standards for quality and performance. When you choose ACDelco at AutoNation Parts, you get genuine aftermarket value — delivered fast and supported by America’s most admired automotive retailer.
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aftermarket
AutoNation Aftermarket Parts FAQ & Buying Guide | AutoNation Parts
What is the AutoNation Aftermarket Store?
The AutoNation Aftermarket Store is your trusted source for high-quality aftermarket auto parts and accessories. We offer over 275+ leading brands, delivering reliable components for nearly every make and model on the road today.
What types of aftermarket parts do you offer?
Our inventory includes everything from performance upgrades to essential replacement parts such as brakes, filters, suspension components, lighting, and electronics. Whether you're maintaining or upgrading your vehicle, we have you covered.
How do I find the right part for my vehicle?
Use our Search by Vehicle tool to quickly match parts to your exact make, model, and year. This ensures proper fitment and optimal performance.
Are aftermarket parts reliable?
Yes. We carefully curate our catalog with trusted aftermarket brands known for durability and performance. Many aftermarket parts meet or exceed OEM standards while offering better value.
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We offer fast and reliable delivery nationwide. Most orders are processed quickly so you can get back on the road without delays.
Do you offer discounts on aftermarket parts?
Yes. Combine essential maintenance items and apply promo code MAINT5SAVE at checkout when your order reaches $75+ to save on your purchase.
Can I install these parts myself?
Many of our products are perfect for DIY enthusiasts, while others may require professional installation. Always review product details and consult a technician if needed.
What if I order the wrong part?
If a part doesn’t fit, you can review our Returns Policy for easy return or exchange options. We recommend verifying compatibility before purchase.
Why shop with AutoNation Aftermarket?
AutoNation is one of America’s most trusted automotive retailers, with 300+ locations nationwide. We combine competitive pricing, quality assurance, and expert selection to deliver unmatched value.
Do aftermarket parts affect vehicle performance?
High-quality aftermarket parts can enhance performance, efficiency, and durability. Choosing the right components ensures your vehicle operates at its best.
Key Product Information
Additional Information
| Brand | GM Genuine Parts |
| Connector Color | Black |
| Connector Gender | Female |
| Connector Shape | Square |
| FAQ - Answer 1 | Yes. A faulty EGR valve will raise the NOx readings at the sensor. |
| FAQ - Answer 2 | Yes. It will raise emission levels and potentially cause the vehicle to fail an emission test. |
| FAQ - Question 1 | Can a bad EGR valve cause high NOx readings? |
| FAQ - Question 2 | Can high NOx content affect emissions? |
| Features & Benefits - Bullet 1 | 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 |
| Features & Benefits - Bullet 2 | Detects the nitrogen oxide content of the exhaust to help optimize emissions |
| Features & Benefits - Bullet 3 | GM-recommended replacement part for your GM vehicle's original factory component |
| Features & Benefits - Bullet 4 | Offering the quality, reliability, and durability of GM OE |
| Features & Benefits - Bullet 5 | Manufactured to GM OE specification for fit, form, and function |
| Good Maintenance Practices - Section 1 - Bullet 1 | Use only approved fuel for your application. |
| Good Maintenance Practices - Section 1 - Bullet 2 | Keep the fuel filter changed at required intervals. |
| Height (in) | 4.3 |
| Length (in) | 8.6 |
| Meets or Exceeds Original Equipment Manufacture Specifications | Yes |
| Programming Required | Yes |
| Terminal Gender | Male |
| Terminal Quantity | 6 |
| Terminal Type | Pin |
| Weight (lb) | 0.63 |
| Width (in) | 5.3 |
| Wiring Harness Length | 36.02 915 |