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  • What is Differential Fluid, Gear Oil or Gear Lube?
    How To
    Product HighlightsAsk AMSOILCars & TrucksDiesel

    What is Differential Fluid, Gear Oil or Gear Lube?

    The extreme pressure placed on differential gears requires superior lubrication.
  • Why Upgrade Your Differential Cover?
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    Product HighlightsAsk AMSOIL

    Why Upgrade Your Differential Cover?

    There are several reasons to upgrade your differential cover, including increased strength, better heat dissipation and reduced weight.

    • AMSOIL Performance Testing

    Laboratory tested and proven on the road.

    See how AMSOIL products perform in the lab and in the field.

    Check out the tests

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