Heavy duty balance axle bracket seat assy, OEM number 3953202123, designed for Mercedes-Benz heavy-duty trucks. Precision-cast from QT500-7 ductile iron, this component offers exceptional durability and reliability. The advanced casting process ensures a precise fit and superior strength, making it ideal for heavy-duty applications. Compatible with Mercedes-Benz heavy-duty truck models, it delivers consistent performance under heavy loads and harsh conditions. As an essential aftermarket replacement part, it meets or exceeds industry standards for safety and performance. This assembly is specifically designed for the rear suspension system, providing stability and proper alignment of the suspension components. It helps absorb shock and vibration while driving, ensuring optimal handling and safety. Contact us for bulk orders!