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  • Advanced Transmission Technology Requires Advanced Protection
  • Two New Drivetrain Products
  • Which Automatic Transmission Fluid Do I Need?
  • How Often Should I Change Transmission Fluid? Play Video
  • Why Change Transmission Fluid?
  • What is Transmission Fluid?
  • Common Fixes for a Transmission that Shifts Hard Play Video
  • More AMSOIL Products Available in the Award-Winning Easy-Pack
  • Should I Change Fluid in a Filled-for-Life Transmission? Play Video
  • What Does Oil Viscosity Mean

    Oil viscosity is the measure of its resistance to flow. How quickly or slowly motor oil flows affects how well it protects your engine.

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