These brand-new expansion parts with OEM numbers 81061026227 and 81061026209 perfectly fit MAN TGS, TGA and TGX trucks. As essential cooling system components, they store redundant coolant and balance internal system pressure effectively. Made of high-quality heat-resistant material, it features anti-deformation, leak-proof and anti-aging performance. Manufactured fully in accordance with OEM standards, it is an ideal replacement for worn or cracked original expansion parts.