Discover Buick Lucerne Emission Control System Components. Shop Buick Lucerne Exhaust System Parts & Buick Lucerne Exhaust System Kit. Ensuring your Buick Lucerne runs smoothly requires attention to its emissions system, which is vital for reducing environmental impact and maintaining engine performance. Regular checks and timely replacement of oxygen sensors and catalytic converters can prevent more costly repairs down the line. For optimal compatibility and longevity, select OEM-grade emissions components that match your model's specifications. High-quality materials and proper installation are paramount to extend the lifespan of the system. Spotting warning signs like decreased fuel efficiency or a lit check engine light early can indicate it's time to browse our selection of emissions solutions and keep your Lucerne in peak condition.