Window Switch – GM (85661578)

The GM Genuine Parts Window Switch listed here carries part number 85661578 and installs where the original was removed. The unit plugs into the factory connector and keeps the original mounting footprint. Catalogue application notes: Corvette. Left. Without convertible. With memory package. 14 speaker system, coupe. Check the part number stamped or moulded on the original against 85661578 — 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. Stocked in the US and dispatched within one business day.