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Armor Ultra Gear Oil SAE 80W90 API GL-4 is specially manufactured for enhanced performance and protection. Best formulated for manual transmissions, this transmission gear oil offers exceptional lubrication and ensures smooth gear shifts, making it the perfect choice for enthusiasts and professionals seeking the best differential oil for manual transmission.

Armor Lubricants, is committed to delivering optimal lubrication solutions. Our 80W-90 Gear Oil for manual transmission is made from 100% virgin base oil and advanced additives, ensuring exceptional performance and extended service life for automotive manual transmissions. When you choose Armor Lubricants, you can be confident in the quality and strength for maximum performance.

SAE Grades





  • Advanced formulation protects transmissions & differentials, preventing wear for extended lifespan.
  • Experience smooth, precise gear shifts for a more enjoyable driving experience.
  • Works with a wide range of manual transmissions
  • Optimizes power transfer for a more powerful manual transmission experience.


Experience the difference with our GL4 Transmission oil and enjoy smoother gear shifts, improved performance, and superior protection for your manual transmission. Trust in our expertise and choose the best gear lubricant for manual transmissions.

Extend the life of your manual transmission and maximize your driving experience. The perfect choice for Honda, Audi, BMW, Ford, GM, Hyundai, Jeep, Mazda, Isuzu, Mini Cooper, Nissan, Suzuki, Subaru, Toyota, Dodge, and more.


Ideal for applications demanding API GL-4 performance, including light and heavy-duty differentials, axles, and final drives under extreme pressures and shock loads.


Armor Ultra GL4 80W90 Oil meets and exceeds the following international specifications:

  • API GL-4
  • U.S Military MIL-L-2105D
  • Mack GO-G

Our Packaging Sizes

  • CAN - 1L, 4L, 5L, 6L, 7L
  • PAIL/BUCKET - 20L, 25L
  • DRUM - 200L, 208L
  • IBC - 1,000L
  • FLEXI BAG - 20,000L