The die-cast engine block is a critical component of the automotive steering system, manufactured using advanced die-casting technology. This technology enables the creation of precise and complex geometric structures that are difficult to achieve with traditional casting methods. The process offers high dimensional accuracy, excellent surface finish, and uniform material structure, effectively enhancing structural strength and reducing the risk of defects such as porosity and shrinkage. Furthermore, die-casting technology allows the use of lightweight alloy materials such as aluminum, enabling lightweight design while maintaining strength and rigidity. This contributes to reducing overall vehicle weight and improving vehicle handling and fuel efficiency. Simultaneously, this process improves the thermal conductivity and heat dissipation performance of the components, ensuring stable operation of the steering system under high load and frequent operating conditions, thereby enhancing the overall reliability, durability, and safety of the vehicle.