Purpose and Specifications

TRW PFB420AE is premium DOT 4 brake fluid in a convenient 20-liter Bag-in-Box package, designed to deliver reliable braking performance for passenger cars, motorcycles, and commercial vehicles. It resists boiling during intense braking, preventing brake fade and ensuring crisp, responsive stops even in demanding conditions.

This fluid excels in extreme temperatures, staying fluid below -50°C for quick response in cold weather and maintaining stability well above 260°C dry boiling point to handle heat from heavy use. Advanced additives fight corrosion, reduce wear on seals and components, and absorb moisture to prolong system life.

• Volume: 20 liters – perfect for workshops or fleet maintenance
• Packaging: Bag-in-Box prevents contamination and air exposure
• Shelf life: Up to 5 years unopened when stored cool and dry

When to Use / Replace?

Use TRW PFB420AE for any vehicle requiring DOT 4 fluid, including ABS and ESP systems. Ideal for high-performance driving, towing, or mountainous roads where brakes heat up fast.

Replace every 2 years or 40,000 km to maintain safety – moisture absorption lowers boiling point over time, risking vapor lock and failure. Flush sooner in humid climates or if fluid looks dark/discolored.

FAQ

Q: Can I mix TRW PFB420AE with other DOT 4 fluids?
A: Yes, it's fully compatible with other quality DOT 4 fluids for top-ups, but full flushes ensure peak performance.

Q: Is this safe for my daily driver?
A: Absolutely – it exceeds DOT standards for everyday use, protecting brakes from corrosion and wear for safer stops.

Q: How do I check if my brake fluid needs replacing?
A: Inspect reservoir level and color monthly; replace if below minimum, cloudy, or after 2 years/40,000 km.