






⚙️ Shift into the fast lane with flawless precision!
Red Line 50304 MT-90 is a premium synthetic 75W-90 GL-4 manual transmission and transaxle lubricant designed to protect gears and extend synchro life. It ensures smoother, quicker shifts even in cold conditions, is safe for brass synchros, and is trusted across GL-1, GL-3, and GL-4 applications. Packaged in convenient 1-quart bottles (12 pack), it delivers professional-grade performance backed by Red Line’s legacy since 1979.






| Material | Synthetic |
| Brand | Red Line |
| Package Information | Bottle |
| Liquid Volume | 384 Fluid Ounces |
| Item Weight | 10 Pounds |
| Recommended Uses For Product | Gear Oil |
| Viscosity | 75W90 |
| Specific Uses For Product | Manual Transmission and Transaxle Lubrication |
| Item Form | Oil |
| Global Trade Identification Number | 00083522503242 |
| Manufacturer | Red Line |
| Unit Count | 384.0 Fl Oz |
| UPC | 083522503242 |
| Number of Items | 12 |
| Item Weight | 10 pounds |
| Product Dimensions | 16.5 x 12.3 x 9.6 inches |
| Item model number | 50324 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 50324 |
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