








⚙️ Shift smarter, not harder — gear up with Red Line!
Red Line 50304 MT-90 is a premium 75W-90 GL-4 manual transmission and transaxle lubricant designed to deliver superior gear protection, extend synchronizer life, and enable smoother, quicker shifts even in cold conditions. Its unique formula is safe for brass synchros, avoiding damage common with GL-5 oils, making it the trusted choice for professional-grade manual transmission maintenance.






| Material | Oil |
| Brand | Red Line |
| Package Information | Bottle |
| Liquid Volume | 64 Fluid Ounces |
| Item Weight | 2 Pounds |
| Recommended Uses For Product | Gear Oil |
| Viscosity | 75W90 |
| Item Form | Oil |
| Manufacturer | Red Line |
| Unit Count | 64 Fluid Ounces |
| UPC | 737534816592 |
| 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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