Valvoline SynPower 75W-90 Full Synthetic Gear Oil 1 GA
Full synthetic gear oil for conventional and limited-slip differentials and non-synchronized manual transmissions. Supports thermal stability and protection against rust and corrosion. Customers note good value and effective lubrication
Highlights
- thermal stability for cleanliness
- rust and corrosion protection
- limited-slip differential performance
Pros
- full synthetic formulation
- helps protect gear teeth from rust and corrosion
- reduces chattering in limited-slip differentials
- supports thermal stability for cleanliness
Cons
- no explicit compatibility beyond API GL-5/GL-4 guidance
- may require specific OEM approvals
Best For
Features
- Offers thermal stability to help maintain cleanliness and extend service life
- Includes additives to protect gear teeth from rust/corrosion and reduce limited-slip chatter
- Suitable for conventional and limited-slip differentials and non-synchronized manual transmissions with API GL-5 or GL-4 specifications
