Nitro Gear & Axle 80W-140 Nitro Synthetic Plus Gear Oil, GL5

Friction is a killer to your moving parts. Our Synthetic Plus by Schaeffer's Oil is engineered to reduce friction with superior lubrication. Studies show it reduces your operating temperatures by up to 35%* and reducing wear as much as 25%*. Less friction means better fuel economy. There's nothing like it that will add miles to the adventure.

*Individual results may vary. 



  • A vast reduction in the formation of deposits.
  • Better heat transfer.
  • Excellent protection to the gears and bearings even under the most extreme thermally, stressed operating conditions.
  • Less wear to gears, bearings and seals.
  • Increased oil seal life.
  • Lower operating temperatures
  • Less energy consumption
  • Longer lubricant and equipment life
  • Reduced equipment downtime and maintenance costs

Tech note:
Each differential requires 3 quarts of oil.
Ford Superduty rear differentials require a minimum of 4 quarts.