Synergy Gear MT 75W-80 GL-4 Full Synthetic Manual Transmission Fluid For Gear Boxes And Differentials One Gallon With Long Drain Intervals No Reactive Sulfurs Protects Yellow Metals Exceeds OEM Specs And Delivers Smooth Shifts
✔️ Full synthetic GL-4 75W-80 for manual transmissions and diffs
The MT 75W-80 GL-4 full synthetic manual transmission fluid is designed for passenger cars and SUVs requiring GL-4 lubrication. Packaged in a one-gallon container with long drain intervals, it delivers strong friction control, wear reduction, and yellow metal protection in gearboxes, differentials, synchromesh, and transfer cases.
✅ Full synthetic GL-4 75W-80 formulation with PAO and esters
✅ Protects yellow metals with no reactive sulfurs
✅ Up to 5x OEM drain intervals
✅ Detergency adpack, friction modifiers, defoamers, corrosion inhibitor
✅ 204 VI Index; excellent viscosity stability; arctic grade -60°F pour point
✅ Smooth shifting; no notch or grinding
✅ Broad compatibility with Honda, Acura, Toyota, BMW, Audi, Mini, Jeep, Chrysler, Ford, Mercedes-Benz and more
✅ Suitable for MT, gearboxes, differentials, synchromesh, and transfer cases
💡 What is a high-performance 75W-80 GL-4 manual transmission fluid used for in modern gearboxes and differentials?
It’s designed to protect brass synchros and yellow metals while delivering smooth shifts across a wide temperature range.
- Protects brass synchros and yellow metals with anti-corrosion inhibitors
- Maintains viscosity across cold starts and high-temperature operation
- Offers extended drain intervals versus OEM specs
- Compatible with a broad range of makes and models requiring GL-4 gear oil