This brand-new truck brake disc covers part numbers 1640561, 1387439, 1812582 and 1726138. It is a core component of the truck braking system for safe deceleration. Made of high-strength cast alloy, it features excellent heat dissipation and wear resistance. It effectively avoids thermal deformation and guarantees stable braking performance under heavy load. Compliant with OEM specifications, it is easy to install and ideal for replacing worn brake discs.