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As India is becoming a hub for design and manufacture of various automotive parts for the global market, it becomes important to verify whether the design is safe at extreme thermal operating conditions, before the introduction of the product to market. For our current work, we have identified Vacuum Pumps, which are principally used in diesel applications for generating vacuum primarily for the servo brake application. With the emission norms getting modified, EGR and turbo charging are employed to meet them. The vacuum signal is used for EGR actuation, turbo charger waste gate actuation, etc. The multi functional application of vacuum pumps and the functional criticality in application like braking system demand an efficient and reliable performance. Finite element analysis (FEA) is one such tool, which can be used to verify the product/components for structural and thermal rigidity at different operating conditions.