Give your drivetrain smooth, reliable performance with the Traxxas 5137 Differential Oil, a premium fluid designed to lubricate and protect your gear diffs for consistent power transfer and reduced wear. This diff oil is compatible with a wide range of Traxxas vehicles that use sealed gear differentials—such as the Traxxas Slash, Rustler, Stampede, Revo, and many more—helping maintain proper diff action whether you’re cruising, racing, or bashing hard. Easy to use and formulated for long‑lasting performance, it’s an essential maintenance item to keep your drivetrain running smoothly and handling predictably on every session.