GM Genuine Parts Heated Oxygen Sensor - 12640453
$66.69Price
Excluding Sales Tax
- Provides accurate exhaust gas oxygen measurement to optimize air/fuel mixture, engine performance, emissions, and fuel economy
- M18 × 1.5 threaded design with a 4‑wire connector (male plug, 22 mm wrench size) for direct replacement fit
- Requires GM-specific programming and tools during installation to ensure correct operation
