





🔥 Stay ahead of the curve with GM’s precision oxygen sensor – because your ride deserves the best!
The GM Genuine Parts 12627139 Heater Oxygen Sensor is a rigorously tested OE component designed to optimize your vehicle’s air/fuel ratio by accurately measuring oxygen levels in exhaust gases. Engineered to withstand extreme temperatures up to 850°C and deliver fast 5-minute response times, this sensor ensures peak engine performance, improved fuel efficiency, and reduced emissions. Tailored for GM vehicles, it requires professional setup to guarantee flawless integration and operation.



| Brand | GM GENUINE PARTS |
| Item dimensions L x W x H | 8.2 x 3.2 x 3.2 inches |
| Item Weight | 3.52 ounces |
| Style | Modern |
| Measurement Accuracy | ±1% |
| Measuring Range | 0-100% O2 |
| Mounting Type | Flange Mount |
| Output Type | Push-Pull |
| Response Time | 5 minutes |
| Specific Uses For Product | Oxygen Sensor |
| Upper Temperature Rating | 850 Degrees Celsius |
| UPC | 808709376804 |
| Manufacturer | ACDelco |
| Model | Sensor Asm-Htd Oxy (Pre-Cataly |
| Product Dimensions | 8.2 x 3.2 x 3.2 inches |
| Item model number | 12627139 |
| Exterior | Machined |
| Manufacturer Part Number | 12643707 |
| OEM Part Number | 12627139 |
| Wattage | 5 watts |
Trustpilot
3 days ago
2 days ago