

All models. 5.3l. All models. 4.8l. All models. 4.3l. 4.8L, front of converter. Front of converter, 5.3l. Detects oxygen content in the exhaust gases to help optimize emissions This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
| Brand | GM |
|---|---|
| Manufacturer Part Number | 19178961 |
| SKU | 19178961 |
| Product | Genuine GM Heated Oxygen Sensor 19178961 |
| Replaces | 25315809 |
ONLY PART REFERENCE #7 ON THE DIAGRAM IS INCLUDED
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