Emission Reduction Fluid Injector - GM (12688993)
Genuine OEM GM Parts & Accessories - 12688993
Emission Reduction Fluid Injector - GM (12688993)
Genuine OEM GM Parts & Accessories - 12688993
- GM
- 12688993
- 12670033
Details
- Brand:
- SKU:
12688993
- Other Names:
Injection Nozzle
- Description: ACDelco Emission Reduction Fluid Injector (Part Number: 12688993) is an injector assembly for emissions-reductant delivery systems used with specific diesel engines.
- Function: Delivers emissions reductant (DEF/urea-based fluid) into the exhaust aftertreatment system to support NOx reduction.
- Applications: Specified for select 6.6L diesel Silverado and Sierra HD models; designed for precise dosing and integration with engine management systems.
- Quality: Engineered and tested to meet GM/ACDelco standards for emissions component performance.
Injection NozzleShop with confidence at World Parts Direct—a U.S. company offering low prices, compatibility guaranteed, expert technical help, and OEM-backed warranty coverage. - Condition: New
- Replaces:
12670033
- MSRP: $246.48
- You Save: $112.16 (45.5% off)
- Sale Price: $134.32
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- GM
- 12688993
- 12670033
Details
- Brand:
- SKU:
12688993
- Other Names:
Injection Nozzle
- Description: ACDelco Emission Reduction Fluid Injector (Part Number: 12688993) is an injector assembly for emissions-reductant delivery systems used with specific diesel engines.
- Function: Delivers emissions reductant (DEF/urea-based fluid) into the exhaust aftertreatment system to support NOx reduction.
- Applications: Specified for select 6.6L diesel Silverado and Sierra HD models; designed for precise dosing and integration with engine management systems.
- Quality: Engineered and tested to meet GM/ACDelco standards for emissions component performance.
Injection NozzleShop with confidence at World Parts Direct—a U.S. company offering low prices, compatibility guaranteed, expert technical help, and OEM-backed warranty coverage. - Condition: New
- Replaces:
12670033
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 Emission Reduction Fluid Injector for your 2017-2021 vehicle. GM Parts & Accessories Limited Warranty.
