The piston is a heart of the engine and its working condition is the most exceedingly bad one of the key parts of the engine in the workplace. A piston is a segment of responding piston responding pumps gas compressors and pneumatic chambers among other comparative systems. It is the moving part that is contained by a barrel and is made gas-tight by piston rings. In a piston, its motivation is to exchange force from growing gas in the barrel to the crankshaft through a piston bar and additionally associating pole connecting rod. The main objective is to investigate and analyze the behavior stress and structural analysis of modified piston at the real engine condition during the combustion process. This work advancement by utilizing finite element analysis to anticipate the higher stress and critical area is on the component.