LIQUI MOLY SAE 75W-90 (1L) – Full Synthetic Differential & Transfer Box Oil (API GL-4+, VW 501 50 G50)
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LIQUI MOLY SAE 75W-90 (1L) – Full Synthetic Differential & Transfer Box Oil (API GL-4+, VW 501 50 G50) – Service Part
LIQUI MOLY 75W-90 is a full-synthetic high-performance gear oil for manual, transaxle, transfer boxes and differentials where API GL-4+ / VW 501 50 (G50) is specified. It delivers precise friction behavior, excellent aging resistance, and smooth, easy shifting even under extreme loads and large temperature swings.
Popular in Volkswagen & Audi applications (cross-ref G 052 145 S2). This is a genuine service part suited for routine gearbox/diff servicing.
Capacity guide: most diffs take ~1.2–1.3 L; always check the workshop manual.
Key Benefits
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Excellent viscosity/temperature stability & wide operating range
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High pressure absorption and outstanding wear protection
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Reduces shift resistance & transmission noise
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Great seal compatibility and corrosion protection
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Designed for high-load manual/aux/transaxle/hypoid units requiring API GL-4+
Specifications / Approvals
Approvals:
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API GL-4+
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Ford ESD-M2C 175-A
Also recommended for:
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VW 501 50 (G50)
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ZF TE-ML 08
Technical Data
| Property | Typical Value | Method |
|---|---|---|
| SAE Grade | 75W-90 | SAE J306 |
| Density @ 15 °C | 0.855 g/cm³ | DIN 51757 |
| Viscosity @ 40 °C | 81.5 mm²/s | ASTM D7042 |
| Viscosity @ 100 °C | 14.3 mm²/s | ASTM D7042 |
| Brookfield @ −40 °C | ≤ 150,000 mPas | ASTM D2983 |
| Viscosity Index | 183 | DIN ISO 2909 |
| Pour Point | −60 °C | DIN ISO 3016 |
| Flash Point | 200 °C | DIN ISO 2592 |
| Sulfate Ash | 0.14 g/100 g | DIN 51575 |
| Color (ASTM) | L 1.5 | DIN ISO 2049 |
Applications
For extreme high-load manual, auxiliary, transaxle and hypoid transmissions requiring API GL-4+ / VW 501 50 (G50). Compatible with Audi/VW and many EU makes.
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Mixing: can mix with residual mineral oil left after drain, but full performance is best when used unmixed.
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Selection: always adhere to the vehicle/transmission maker’s specified viscosity and spec.
VW/Audi note
Commonly referenced against G052145S2. For diffs, plan ~1.2–1.3 L per axle (verify by VIN/manual).