Tutela Transmission Gearsynth LL
Manual transmission fluid 75W-90 for in-line gearboxes, API GL-4, FPW 9.55550-MZ11
SAE 75W-90
TUTELA TRANSMISSION STARGEAR FV (PLI code 77247) is a lubricant for synchronised manual transmissions, suited to the gearboxes fitted to Volkswagen Group vehicles. The SAE 75W-90 fluid combines a high viscosity index of 172 with a kinematic viscosity of 14.5 cSt at 100°C, a pour point of -42°C and a flash point above 170°C. Copper corrosion is rated 1A (3 h at 100°C), confirming its compatibility with yellow-metal synchroniser components, and foam is limited to traces. The product meets the API GL-4 specification and the VW 501.50 performance level. Supplied in 1-litre packs; always check the vehicle manufacturer's requirements before use.
SAE 75W-90 viscosity grade
A viscosity grade, not a performance level.
Gear oil, API GL-4 service level
API's service designation for axle and manual transmission oils.
| Property | Typical value | Method |
|---|---|---|
| Appearance | B&C | |
| Colour | L1 | ASTM D 1500 |
| Density 15°Cg/cm³ | 0.890 | ASTM D 4052 |
| Viscosity @ 100°CcSt | 14.5 | ASTM D 445 |
| Viscosity @ 40°CcSt | 86 | ASTM D 445 |
| Viscosity index | 172 | ASTM D 2270 |
| Viscosity @ -40°CcPs | 130000 | ASTM D 2983 |
| Pour point°C | -42 | ASTM D 97 |
| Flash point Cl. O. C.°C | >170 | ASTM D 92 |
| Copper corrosion (3h/100°C) | 1A | ASTM D 130 |
| Foam @ 24°Ccc/s | tr/0 | ASTM D 892 |
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