2705G3 | GENUINE PARTS Upstream Heated Oxygen Sensor #12643708

Restore peak engine efficiency with the GM Genuine Parts Upstream Heated Oxygen Sensor, an essential sensor that monitors oxygen levels in your exhaust before the catalytic converter. Built to GM’s strict OEM standards, it’s engineered for precision, durability, and perfect fit in compatible GM vehicles. The integrated heater brings the sensor up to operating temperature quickly, enabling faster, more accurate feedback for your engine control unit (ECU) during cold starts. Upgrade with confidence — this is the same sensor used in original vehicle production, now ready to deliver smooth performance, cleaner emissions, and reliable driveability.

RETAIL: $53.15