F Harness – GM (42878114)

GM Genuine Parts supplies this F Harness under part number 42878114 as a factory-pattern replacement. In service it replaces a chafed or water-damaged section of the body or engine loom. Check the part number stamped or moulded on the original against 42878114 — 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.