Nulon Premium Mineral Automatic Transmission Fluid (NDEX3) is a mineral based Automatic Transmission Fluid (ATF) for use in many transmissions specifying General Motors Dexron III and Ford Mercon fluids. Nulon Premium Mineral Automatic Transmission Fluid provides excellent wear protection, smoother shifting and is suitable as a top up with other Dexron and Mercon fluids. Benefits Excellent low temperature protection Compatible with wide range of seal materials Smooth transmission shift feel performance Excellent heat dissipation and foam suppression characteristics Can be used as top up with other Dexron III and Mercon fluids Suitable for pre-2006 GM transmission that requires GM dexron III and in many other transmissions that specify Dexron or Mercon transmission fluid requirements (except Ford Type F). For higher level performance and heavy duty protection, upgrade to Nulon Semi Synthetic Multi-Vehicle Automatic Transmission Fluid (NATF), or Nulon Full Synthetic Multi-Vehicle Automatic Transmission Fluid (SYNATF).