There have been many alternative ways to develop a rubber compound recipe to be used for special purposes. Sometimes de-formulation of products available in the market become a necessity to clarify the underlying technology and to contribute R&D studies. The present study focuses on the reverse engineering of rubber products used in automotive industry as vibration isolators to be sold in aftermarket. Scientists still spend affords to describe suitable qualitative and quantitative methods for reverse engineering. Wet chemistry, specific instrumental techniques, spectroscopic techniques, chromatographic techniques, thermal, elemental, microscopic and many other techniques could be used for this purpose. Unfortunately, there is not a rule of thumb explaining the procedure of reverse engineering about rubber materials. In this study, several reverse engineering methods to de-formulate rubber compounds are examined. A group of samples prepared in-house is used to evaluate the efficiency of reverse engineering methods. It is aimed to describe a well-specified way to analyze and de-formulate the rubber products used in automotive such as rubber seals, gaskets, and bushings, adhesive and elastic cords used in automotive.