Brand-new discontinued factory original GM/ACDelco OEM VENTED Gas Cap for all 1984-1987 Buick Grand National, Turbo Regal, and 1987 GNX.
This genuine GM/ACDelco part will ship in its original packaging as pictured.
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Exact fit, perfect OEM replacement. Replaced my old one beacues the rubber seals were deteriated and no longer sealed the tank from the atmosphere.