ACDelco Gold (Professional) Transfer Case Fluids are a high quality alternative to Original Equipment (OE) parts. These fluids help keep your transfer case's gears cool and turning smoothly. With these formulas, help keep your transfer case's internal components lubricated, resisting oxidation, and cool. 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.