Oxygen Sensor – GM (12598176)

GM Genuine Parts supplies this Oxygen Sensor under part number 12598176 as a factory-pattern replacement. The unit reports exhaust oxygen content so the ECM can hold its fuel trim. Catalogue application notes: Solstice. Sky. 2.4l. Rear (position 2). Check the part number stamped or moulded on the original against 12598176 — 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. Held in US stock for same-week dispatch.