Find Buick Regal Lower Control Arm Ball Joint. Replace Buick Regal Suspension Ball Joint & Buick Regal Ball Joints Replacement Cost. Maintaining the lower ball joints of your Buick Regal is crucial for smooth steering and road handling. Regular lubrication and inspection for wear can extend their lifespan, while symptoms like clunking noises or uneven tire wear signal it's time for a replacement. When selecting new ball joints, opt for high-grade steel or polymer units, each offering durability or smoother operation respectively. Always ensure compatibility with your Regal's model year. Proper installation is key, so consider professional fitting to ensure peak performance and safety. Keep your Regal running like new with premium lower ball joints available right here, ready to ship directly to your garage.