This high-quality brand-new clutch booster fits XF95 truck, compatible with part numbers 377009R, 1346865, 1241256, 1242616, 1337007 and 1443520. It optimizes clutch pedal force and guarantees smooth gear change during driving. Adopting premium raw materials and fine sealing process, it maintains stable pressure output and strong durability. It adapts to complex road conditions, fully meets OEM requirements, and is perfect for replacing old or faulty clutch boosters.