Sensor – GM (19387891)

Part 19387891 is the GM Genuine Parts Sensor for the factory location it serves. It reports its measured value to the module it is wired to. Check the part number stamped or moulded on the original against 19387891 — 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.