Environmental sustainability has become a critical concern for industries worldwide, driving the adoption of Green Supply Chain Management (GSCM) practices. This study proposes a fuzzy multi-criteria decision-making approach to prioritize automotive component suppliers under GSCM principles within SAIPA Automotive Company. Using the Fuzzy TOPSIS method, suppliers are evaluated based on criteria including quality, delivery time, price, environmental management system, green design, recycling capability, and eco-friendly procurement. The results indicate that Iran Lavazem Company ranks first, followed by Pars Seat Systems Company among seat suppliers. This research highlights the importance of integrating environmental factors into supplier selection and provides a practical framework for sustainable decision-making in the automotive industry. The methodology supports manufacturers in enhancing supply chain sustainability while maintaining operational efficiencys.