Combination Switch – GM (84489121)

GM Genuine Parts supplies this Combination Switch under part number 84489121 as a factory-pattern replacement. Fitted in place of the original, it plugs into the factory connector and keeps the original mounting footprint. Catalogue application notes: Dimmer,Headlight,Turn Signal. Confirm the number on the part you are removing matches 84489121 before ordering; superseded numbers are the same component under a later release. 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.