Booster Brake DOT 4

Serienummer: 2811

The Booster Brake DOT 4 is a high quality synthetic brake fluid, intended for hydraulic brake systems.


Density at 20 ⁰C, kg/l 1,040
Viscosity -40 ⁰C, mm²/s 1400
Viscosity 100 ⁰C, mm²/s 2,10
Boiling point (reflux), ⁰C 263
Wet Boiling point, ⁰C 165
pH - 50% in ethanol solution 8,5


The Booster Brake DOT 4 is a high quality glycol ether based hydraulic brake fluid. The material composition and performance will ensure the safe and reliable operation of vehicle braking systems, the key points being:

– High Boiling Point
exceeds the minimum ERBP and WERBP requirements, therefore minimizing the risk of vapor lock under extreme conditions
– Optimal Viscosity
the product ensure that the system remains responsive in very cold conditions whilst preventing leakage and maintaining good lubricity at high operating temperatures
– Corrosion Inhibition
Fully protecting the complete range of metallic components within the braking system against corrosion damage and potential system failure
– Rubber Compatibility
Promotes the correct rubber swell/hardness of all rubber components to maximize the working life of system seals, ensuring a safe system operation.

Booster Brake Fluid Dot 4 is specifically formulated to exceed the requirements of the internationally recognized hydraulic brake fluid standards. The color of this product is clear and bright without impurities and a high boiling point.

Performance level

SAE J1703
SAE J1704
ISO 4925 Class 3&4
JIS K2233

By product choice always follow the requirements and instructions of the manufacturer.


June 2019

Booster Oil team at the Voodoo Race 2019 in Korea, 1st, 2nd and 3rd round

South Korea

New distributor in Bahrain

June 2019

Booster Oil racing team took 1st place at Nexen Tire Speed Racing 2019

South Korea
1,2,3 of March 2019

Booster Oil Guatemala motorcycle race at Expo Moritz 2019!


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