Mobile Phone Control Module – GM (86506621)

Part 86506621 is the GM Genuine Parts Mobile Phone Control Module for the factory location it serves. It plugs into the factory harness and runs the system it was programmed for. Catalogue application notes: Onstar, labeled 86506621. Check the part number stamped or moulded on the original against 86506621 — 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.