Heavy Duty Spring Block Heavy duty spring block, OEM number 3663310028, designed for Mercedes-Benz heavy-duty trucks. Precision-cast from QT450-10 ductile iron, this block 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 spring block is specifically designed for the 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! Specification   Name SPRING BLOCK OE NO. 3353310028 Category MERCEDES BENZ Series Color: Customization Material QT450-10 Application For MERCEDES BENZ Certification TS16949 ISO9001 Place of Origin China   Why choose VICTORY MACHINERY