MTL Gear Oil 75w80 Yellow Metal Safe
5022-5
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Red Line MTL 75W80 Gear Oil (50204)
75W80 GL-4 Synthetic Yellow Metal Safe Lubricant
Red Line MTL 75W80 is a high-performance, fully synthetic gear oil engineered specifically for manual transmissions and transaxles. Unlike standard GL-5 gear oils, which can be too slippery for proper synchronizer engagement and contain reactive sulfurs that damage brass components, MTL provides the balanced friction required for smooth, "notchy-free" shifting even in cold temperatures.
Key Features
- ✔ **Yellow Metal Safe**: Non-corrosive to brass synchros
- ✔ **Improved Shifting**: Eliminates cold-start notchiness
- ✔ **High Viscosity Index**: Stable performance at high heat
- ✔ **Synthetic Ester Base**: Superior film strength
Technical Specs
| API Service Class | GL-4 |
| SAE Grade | 75W80 |
| Vis @ 100°C | 10.4 cSt |
| Vis @ 40°C | 50.8 cSt |
| Pour Point | -50°C (-58°F) |
Compatibility / Fitment Guide
| System Type | Typical Application | Requirement |
|---|---|---|
| Manual Transmissions | BMW, Honda, Acura, Ford Focus, Mini Cooper | 75W80 / GL-4 |
| Marine Gearboxes | Volvo Penta, Auxiliary Transmissions | Synthetic GL-4 75W80 |
| Truck Transmissions | Dodge/Jeep NV1500, NV3500, NV5600 | Synchromesh Replacement |
OEM Cross Reference
| BMW/Mini | 83 22 0 403 247, 83 22 0 140 516, MTF-2, MTF 94 |
| GM / Chevrolet | 12345349 (Synchromesh), 12378508 (Auto-Trak II) |
| Chrysler/Jeep | MS-9224, MS-9417, MS-9440, 05179014AA |
| Volvo | 1161745, 1161645, 97308, 1161423-7 |
| Ford | XT-M5-QTS, E5RY-19C547-A, ESD-M2C-186-A |
Questions & Answers
Is this a genuine original part?
This is a premium high-performance aftermarket gear oil from Red Line Synthetic Oil, designed to exceed the performance of many factory-fill lubricants.
How do I know if it is compatible?
Verify that your manual transmission or transaxle specifies an API GL-4 rating and a 75W80 viscosity. Cross-referencing your vehicle's OEM part number with our list above ensures a guaranteed match.
Why is "yellow metal safe" important?
Many synchronizers are made from brass or bronze. Standard GL-5 oils contain active sulfur which can corrode these metals. Red Line MTL is specifically formulated without these reactive additives, protecting your synchros for the long term.
Note: Red Line MTL is not for use in differentials with hypoid gears. Please verify your system requirements before purchasing. Available at 4boats.co.uk.
For the products under £150 the shipping is £6.99.
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