TRW PFB401 DOT 4 Brake Fluid - Premium Protection for Safe Stopping

Purpose and Specifications

TRW PFB401 is a premium DOT 4 brake fluid designed to deliver reliable braking performance in everyday driving and demanding conditions. This 1-liter bottle provides the exact amount needed for most vehicle flushes, ensuring your hydraulic brake system transfers power smoothly from pedal to calipers without fade or failure.

Key practical benefits:

• Resists boiling up to 260°C when dry, preventing spongy brakes during hard stops or hot weather.
• Stays effective even after absorbing moisture, maintaining strong performance over time.
• Works reliably from -50°C to +50°C, flowing easily in winter cold and staying thick in summer heat.
• Protects against corrosion and wear, extending the life of seals, pumps, and lines.

Meets DOT 4 standards plus ISO 4925 Class 4, SAE J1704, and FMVSS 116 - fully compatible with DOT 3, DOT 4, and DOT 5.1 systems.

When to Use / Replace?

Use TRW PFB401 for routine maintenance, ABS/ESP systems, or any vehicle requiring DOT 4 fluid. Replace every 2 years or 40,000 km to avoid moisture buildup that lowers boiling point and risks brake failure. In humid climates or heavy-use vehicles, check and change yearly. Shelf life is 3-5 years unopened when stored cool and dry.

FAQ:

Is TRW PFB401 safe to mix with my current brake fluid?
Yes, it's fully compatible with other DOT 3, DOT 4, or DOT 5.1 fluids for top-ups, but always flush completely for best results.

How do I know when my brake fluid needs replacing?
Look for dark color, low levels, or soft pedal feel. Test boiling point if possible, or follow the 2-year/40,000 km schedule for safety.

Will this fluid work in my modern car with ABS?
Absolutely - TRW PFB401 supports high-performance ABS and ESP systems with quick response even at low temperatures.