Harness – GM (12659903)

a Harness from GM Genuine Parts, part 12659903, is a direct replacement for the unit fitted at the factory. Fitted in place of the original, it replaces a chafed or water-damaged section of the body or engine loom. Catalogue application notes: 3.6L twin-turbo, wastegate system. Check the part number stamped or moulded on the original against 12659903 — 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.