One of the biggest achievements of the Fourth Industrial Revolution (IR 4.0) is the development of technology that transforms some aspects of human's life. The impact of technological developments leads to a new business models that disrupts their predecessors. Financial Technology (FinTech) is one example of a new business model in the financial world that is predicted to disrupt the banking business model. Hence, it is important to do a study on the potential switching of traditional bank's customers to FinTech lending services using Push-Pull-Mooring (PPM) framework. The samples in this study were banking customers covering conventional and Islamic banks domiciled in Jakarta, Indonesia and the data was later analyzed using multinomial logistic regression (MLR). The results showed that PPM effects suggested that there was a tendency of traditional banks' customers to switch to FinTech lending services. It was revealed that the potential of traditional bank's customers who may be moving to FinTech lending services is 98.82 percent. This research results provide useful insight for managerial as a strategic step to determine the appropriate policies toward the potential of customer switching for banking industries, FinTech lending, as well as the regulators in Indonesia.