ACDelco Gold (Professional) Vehicle Batteries are a high quality alternative to Original Equipment (OE) parts. Featuring an impact- and break-resistant plastic case for durability, including robust separator envelopes, these auto batteries have corrosion-resistant terminals and no-maintenance design. Integral gas separators and flame arrestor vents help prevent possible damage from outside sparks. Premium technology in the metal alloys, chemicals, and design combine to help ensure long-life performance.ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.