Got an AC leak or a damaged hose on your GM vehicle? This GM Genuine Parts 15-34450 hose assembly is the exact same part that came on your car from the factory. It's the manifold hose assembly that connects the high and low side refrigerant lines to the compressor. Because it's genuine GM, you know it's going to fit perfectly, hook up easily, and perform just like the original. No guessing about quality or compatibility with your vehicle's system. Using OEM parts like this is the best way to ensure your AC repair is reliable and lasts. If your GM's AC isn't cooling like it should and the lines are the culprit, this is the right part to get things fixed properly.