Synthetic Gear Oil

Synthetic Gear Oil


AMSOIL fully synthetic transmission fluid protects against high heat generated by modern transmissions. It guards against sludge and varnish to ensure smooth, consistent shifts, whether you’re towing a trailer loaded with supplies or tearing up the street in a sports car.

  • Reserve protection against heat
  • Smooth, reliable shifts
  • Fights damaging sludge

SEVERE GEAR® 100% Synthetic Extreme Pressure (EP) Gear Lube


AMSOIL SEVERE GEAR® 100% Synthetic Extreme Pressure (EP) Gear Lube is a premium-grade gear oil specifically engineered for maximum performance in severe-duty applications. AMSOIL engineered its gear lubes to provide superior gear and bearing protection, better friction and heat reduction, increased efficiency and extended service life. No Mess. No Hassle.

The New AMSOIL SEVERE GEAR® easy-pack helps you easily access tough to reach fill holes. Just open, insert and squeeze.

  • Superior film strength
  • Controls thermal runaway
  • Protects against rust and corrosion
  • Helps reduce operating temperatures
  • Maximum efficiency
  • Long oil, seal & equipment life
  • Flexible easy-pack for clean, fast installation

Synthetic Gear Oil for Heavy-Duty Vehicles


The tremendous power and torque heavy-duty trucks generate can rupture the fluid film of some transmission fluids, inviting damaging wear. AMSOIL synthetic gear oil features a durable synthetic formulation that withstands the rigours of heaving towing and hauling. It protects your expensive transmission for the long haul. 

  • Guards against gear and bearing wear
  • Long service life
  • Smooth, reliable shifts