






🔥 Stay ahead of emissions with GM’s precision oxygen sensor!
The GM Genuine Parts AFS138 Heated Oxygen Sensor is a high-precision, OEM-spec component designed to optimize your GM vehicle’s emissions and fuel efficiency. Featuring rapid heat-up technology and ±1% measurement accuracy, this durable stainless steel sensor ensures reliable performance and a perfect fit for select Chevrolet, Cadillac, and GMC models from 1999-2002.





| Brand | GM GENUINE PARTS |
| Item dimensions L x W x H | 7.6 x 2 x 2.3 inches |
| Material | Stainless Steel |
| Item Weight | 0.27 Pounds |
| Style | Modern |
| Measurement Accuracy | ±1% |
| Mounting Type | Flange Mount |
| Output Type | Digital |
| Specific Uses For Product | Oxygen Sensor |
| UPC | 707773397565 |
| Global Trade Identification Number | 00707773397565 |
| Manufacturer | ACDelco |
| Model | Oxygen Sensor |
| Item Weight | 4.3 ounces |
| Product Dimensions | 7.6 x 2 x 2.3 inches |
| Item model number | AFS138 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 19178961 |
| OEM Part Number | 19178961 |
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