Clutch servo XD NO.:1311 Original No.:626 392 AM DIA:80MM, AIR:M12*1.5, HYD:7/ ... 16-20UNF, STROKE:67MM Clutch servoXD NO.:1311Original No.:626 392 AMDIA:80MM, AIR:M12*1.5, HYD:7/16 ... -TF500AND SO ON Export-high quality clutch servo for truck 626 392 AM