Oxygen Sensor – GM (12712497)

This Oxygen Sensor (12712497) from GM Genuine Parts replaces the original part on the same mounting points and connector. It reports exhaust oxygen content so the ECM can hold its fuel trim. Catalogue application notes: Corvette. 5.5l. Downstream. Check the part number stamped or moulded on the original against 12712497 — a number that looks close can belong to a different circuit. GM Genuine Parts are the components installed during production or validated by General Motors for GM vehicles. Shipped from our US warehouse with tracking.