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⚙️ Shift smarter, not harder — the secret sauce for smooth manual rides!
Red Line 50204 SAE 75W80 API GL-4 Manual Transmission Lubricant is a premium synthetic gear oil designed to protect and extend the life of manual transmission synchronizers. Its balanced friction formula ensures quicker, smoother shifts without harming brass synchros, making it ideal for a wide range of vehicles including BMW, Honda/Acura, Mini Cooper, and Land Rover. Trusted since 1979, this 1-quart bottle offers a cost-effective, high-performance alternative to OEM fluids, perfect for enthusiasts and professionals seeking enhanced transmission performance and longevity.






| ASIN | B000CPCBEG |
| Best Sellers Rank | #10,157 in Automotive ( See Top 100 in Automotive ) #76 in Transmission Fluids |
| Brand Name | Red Line |
| Container Type | Bottle |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,758) |
| Flash Point | 232 °C |
| Global Trade Identification Number | 00083522502047 |
| Included Components | Auto part, Automotive Accessories, Replacement and Performance parts |
| Item Form | Liquid |
| Item Type Name | Car Gear Oil - 1 Quart Bottle |
| Item Weight | 1.7 pounds |
| Liquid Volume | 32 fluid ounces |
| Manufacturer | Red Line |
| Material | Synthetic |
| Model Number | (50204) |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 50204 |
| Recommended Uses For Product | auto racing |
| Specific Uses For Product | Specific vehicle transmissions (e.g. BMW, Honda/Acura, Ford Focus, Land Rover/Range Rover LT77S, Mitsubishi, Dodge & Jeep NV1500, NV3500, NV3550 & NV5600 truck transmissions) |
| UPC | 083522502047 |
| Unit Count | 32 Fluid Ounces |
| Upper Temperature Rating | 1 Kelvin |
| Viscosity | 185 |
| Warranty Description | Manufacturer Warranty |
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