The INA A/C Accessory Drive Belt Tensioner Assembly - 5310391100 is a high-quality aftermarket replacement part designed for use in automotive air conditioning systems. This tensioner assembly is responsible for maintaining the proper tension on the A/C accessory drive belt, ensuring smooth and efficient operation of the A/C compressor. It is made from durable materials and is precision-engineered to fit and function like the original equipment. This tensioner assembly is compatible with various makes and models of vehicles and is a reliable solution for any A/C belt tension issues.