The ACDelco Gold (Professional) 42 Month Batteries feature an impact- and break-resistant plastic case for durability, including robust separator envelopes to help with auto battery life. With a competitive 42-month free replacement limited warranty and a terminal design that resists acid leaks, seepage corrosion and black post, the ACDelco Gold (Professional) 42 Month Battery delivers maintenance-free performance and peace of mind. Integral gas separators and flame arrestor vents help prevent possible damage from outside sparks. The ACDelco Gold (Professional) 42 Month Battery is an ideal replacement auto battery for car and truck applications. Some ACDelco Gold parts may have formerly appeared as ACDelco Profession