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⚙️ Shift into the future with unstoppable gear protection!
SAE 75W-90 Synthetic Gear Oil GL-4 is a premium, API GL-4 certified lubricant designed for manual transmissions, transaxles, and limited-slip differentials. Its advanced synthetic base oils and friction modifiers provide year-round viscosity stability, superior thermal and oxidation resistance, and extended gear and bearing life, making it the go-to choice for professionals demanding reliable, high-performance drivetrain protection.




| ASIN | B088ZYPJQX |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #11,682 in Automotive ( See Top 100 in Automotive ) #27 in Gear Oils |
| Brand Name | ULTRA 1PLUS |
| Compatible with Vehicle Type | Motorcycle |
| Container Type | Bottle |
| Customer Reviews | 4.8 4.8 out of 5 stars (602) |
| Flash Point | 205 Degrees Celsius |
| Item Weight | 1.92 Pounds |
| Liquid Volume | 1.0 |
| Manufacturer | Ultrachem LLC |
| Manufacturer Part Number | UFS7590GL4L |
| Model Number | UFS7590GL4L |
| SAE J300 Viscosity Grade | 75W-90 |
| Size | 1 Quart |
| UPC | 810050654326 |
| Unit Count | 32 Fluid Ounces |
| Viscosity Level | High |
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