Purpose and Specifications

Febi Bilstein 21829 is a premium yellow 1-liter manual transmission oil rated SAE 75W API GL-4, designed for smooth gear shifts in front and rear axles of vehicles like Audi A3, VW Golf, Jetta, Passat, Ford Focus, and Mercedes models.

This German-made oil meets strict VW TL 521 71, TL 521 78, TL 525 12 specs plus Ford WSS-M2C200-D2 and MB 235.10, ensuring reliable protection from -40°C cold starts to 150°C high-heat operation while preventing gear wear and corrosion.

• 1-liter bottle perfect for precise refills without waste
• Shelf life of 5 years unopened in cool, dry storage
• Weight just 0.965 kg for easy handling

When to Use / Replace?

Use Febi Bilstein 21829 in manual transmissions and differentials for everyday driving, towing, or track days where gears need quick, precise shifts without grinding.

Replace every 60,000 km (37,000 miles) or 5 years, whichever comes first, or sooner if shifting feels notchy, noisy, or leaks appearcheck fluid level every 10,000 km.

Frequently Asked Questions

Is this oil safe for my VW or Audi manual gearbox?
Yes, it directly replaces VW G052171A2 and similar, approved for A3, Golf, Jetta from 2002-2018 with GL-4 needs.

Can I mix it with other transmission oils?
No, drain fully first for best protectionavoid mixing to prevent performance loss.

What if my car runs hot climates?
Stays thick up to 150°C, protecting gears during heavy loads or summer heat.