The Atlas Copco 0491887 is a genuine OEM coupling driver, essential for the drive system of various Atlas Copco GA series industrial air compressors. This precision-engineered component ensures reliable power transmission and optimal compressor performance. Manufactured to high-quality standards, it contributes to the longevity and efficiency of your machinery. With a weight of 0.12 kg and dimensions of 95 mm length, 51 mm width, and 51 mm height, it is a direct replacement part.