This Madetop foot brake part includes OEM numbers 81521306189, 81521306180, 81521306226 and 320060023 MB4, suitable for MAN trucks. As a core chassis brake component, it controls braking air circuit to ensure stable and reliable braking performance. Made with high-precision manufacturing technology, it features good airtightness, wear resistance and stable operation. It meets standard OEM specifications for direct installation, ideal for routine brake system maintenance and part replacement.