Valvoline Dexron VI/Mercon LV ATF is a full-synthetic automatic transmission fluid that has been uniquely engineered to meet and exceed the requirements of the General Motors Dexron VI specification and is officially licensed and approved by GM. Formulated with premium synthetic base stocks and advanced additives to prevent the major causes of transmission breakdown, its designed to help prevent leaks, reduce wear and tear, resist sludge and maximize performance all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and specific frictional enhancements for smooth gear engagements. The way an automatic transmission shifts and adapts to ever-changing traffic and driving presents its own set of challenges. Its formulated to exceed the specifications of General Motors and Ford that require Dexron-VI and Mercon LV transmission fluid. Its also fully back-serviceable, so it can be used wherever Dexron-II and/or Dexron-III are recommended and is specifically recommended for Dexron-VI, Dexron-II, Dexron-III; Mercon LV; and Allison C-4. For the many shifts and miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.