








⚙️ Shift smarter, drive smoother—never settle for less!
Red Line 50304 MT-90 is a premium 75W-90 GL-4 manual transmission lubricant designed to protect gears and extend synchronizer life. Its unique formula ensures quicker, notch-free shifts even in cold conditions, while being safe for brass synchros by avoiding harmful reactive sulfurs. Trusted since 1979, this high-performance gear oil meets multiple GL specifications, making it the go-to choice for professional-grade transmission care.






| Material | Oil |
| Brand | Red Line |
| Package Information | Bottle |
| Liquid Volume | 64 Fluid Ounces |
| Item Weight | 1.99 Pounds |
| Recommended Uses For Product | Gear Oil |
| Viscosity | 75W90 |
| Item Form | Oil |
| Manufacturer | Red Line |
| Unit Count | 64 Fluid Ounces |
| UPC | 737534816592 |
| SAE J300 Viscosity Grade | 75W-90 |
| Number of Items | 1 |
| Item Weight | 1.99 pounds |
| Product Dimensions | 7 x 7 x 12 inches |
| Item model number | 50304 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 50304 |
| OEM Part Number | 50304-2 |
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