Castrol 03518 Transmax ATF Green High Mileage Transmission Fluid - 1 Gallon Engineered to help alleviate typical problems experienced by transmissions with over 75,000 miles such as leaks and rough shifts Greater frictional durability provides superior transmission performance Additional seal conditioners to prevent or help stop leaks Extra cleaning agents to reduce varnish and sludge formulation Protects against clutch wear and restores smooth shifting Greater frictional durability provides superior transmission performance Meets or Exceeds General Motors DEXRON-IIIH Requirements; Meets or Exceeds Ford MERCON Requirements Exceeds all passenger car and light truck manufacturers warranty requirements for vehicles, transmissions or power steering service where a DEXRON-IIIH or MERCON type ATF is specified