Explore Buick Lacrosse Serpentine Belt & Buick Lacrosse V Belt. Shop Buick Lacrosse Serpentine Belt Replacement. Discover Buick Lacrosse Belt Replacement. Maintaining the drive belts in your Buick LaCrosse is critical for smooth operation, as these belts power vital components like the alternator and water pump. Signs you may need a replacement include squealing noises, cracks, or glazing on the belt's surface. To extend their lifespan, regularly inspect belts for wear and tension, and replace them every 60,000 to 100,000 miles. When selecting a new belt, opt for serpentine or V-belts, known for their longevity and efficiency. Choose high-quality materials to ensure durability, and consider professional installation to guarantee optimal performance. Our premium selection of drive belts is designed to meet your LaCrosse's specifications, ensuring a perfect fit and superior function.