Upgrade your vehicle's signaling system with our premium OEM Turn Signal Switch designed specifically for 1989-1990 Buick Fullsize and Riviera models. Manufactured in the USA using original GM/Delco tooling, this switch ensures a perfect fit and reliable performance. Unlike generic alternatives, our Turn Signal Switch stands out with its superior craftsmanship, guaranteeing longer life and smoother operation. Say goodbye to unreliable signals – trust the quality that comes directly from the original manufacturer!