New Cats Auto Parts provides South Chicago with one of the largest inventories of used auto parts, transmissions, and engines. New Cats Auto Parts located in Blue Island provides South Chicago with one of the largest inventories of used auto parts, transmissions, and engines. Whether you need to repair your motor, interior or body of your car, we have the parts and the experts here to help you. We have a staff of experienced specialists who take painstaking care in order to ensure the quality of our products.