B (S)Module Kit – GM (86820979)

Part S)Module Kit – GM (86820979 is the GM Genuine Parts B for the factory location it serves. Fitted in place of the original, it plugs into the factory harness and runs the system it was programmed for. Verify S)Module Kit – GM (86820979 against your vehicle’s parts listing first; where a number has been superseded, the later release is the part supplied. Stocked in the US and dispatched within one business day.