This brand-new clutch booster fits OEM numbers 9700511570, 1518248, 81307256031 and 81307256032, suitable for MAN truck chassis. It offers reliable power assistance to lighten clutch operation and realize smooth gear shifting. Adopting high-strength sealing materials, it prevents fluid leakage and adapts to complex road and heavy-load conditions. Produced according to OEM technical standards, it is a perfect replacement for aging or damaged original clutch booster parts.