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⚙️ Shift Smooth, Drive Confident: The Gear Oil Millennials Trust
Red Line MT-90 75W-90 GL-4 Manual Transmission Lubricant is a premium gear oil designed for manual transmissions and transaxles. It delivers superior gear and synchronizer protection, eliminates notchy shifting even in cold conditions, and reduces gear noise at high temperatures. Compatible with GL-1, GL-3, and GL-4 applications, it’s safe for brass synchros and formulated to extend transmission life. Trusted since 1979, this 1-quart bottle offers 32 fluid ounces of high-performance lubricant that ensures smoother, quieter, and longer-lasting transmission operation.






| ASIN | B000CPCBEQ |
| Best Sellers Rank | 63,673 in Automotive ( See Top 100 in Automotive ) 140 in Gear Oils |
| Brand | Red Line |
| Brand Name | Red Line |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 2,708 Reviews |
| Global Trade Identification Number | 00083522503044 |
| Included Components | MT-90 75W-90 GL-4 |
| Item Form | Oil |
| Item Weight | 771 g |
| Item weight | 771 g |
| Liquid Volume | 32 Fluid Ounces |
| Liquid volume | 32 Fluid Ounces |
| Manufacturer | Yukon Gear & Axle |
| Material | Brass |
| Model Number | 50304 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Package information | Bottle |
| Part Number | 50304 |
| Recommended Uses For Product | Automobile transmission lubrication and maintenance |
| Recommended uses for product | Automobile transmission lubrication and maintenance |
| SAE J300 Viscosity Grade | 75W-90 |
| Specific Uses For Product | Lubricant for manual transmissions and transaxles, Prevent corrosion, Enable smooth shifting, Provide gear protection |
| UPC | 083522503044 |
| Unit Count | 946.0 millilitre |
| Viscosity | 75W-90 |
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