Upgrade your Buick with our reliable Circuit Breaker: Power Accessory for the 1979-1981 Fullsize and Riviera models. This O.E.M. part is meticulously crafted to ensure reliable performance and enhanced electrical safety for your vehicle. Unlike generic alternatives, our circuit breaker fits perfectly into the fuse block, providing peace of mind while you enjoy the modern conveniences of your classic ride. Don’t compromise on quality; ensure your car’s electrical system operates seamlessly.