Brake Fluid

Brake fluid is universal by design rather than vehicle-specific, so these fluids suit Japanese and European platforms alike, provided the fluid meets or exceeds the minimum DOT rating your car calls for. Check the reservoir cap markings or owner's manual before stepping up to a higher performance fluid. Cars with electronic stability control and ABS still run standard glycol-based fluid, so a performance DOT 4 is safe on modern turbo platforms as well as older track cars.

• Street and daily-driven DOT 4 brake fluid
• Racing brake fluid with higher dry and wet boiling points for track use
• Single bottles for a top-up or partial bleed, plus larger volumes for a full four-corner flush

Heat moves from the pads and rotors into the calipers, then into the fluid. Once the fluid boils you get gas in the lines, and gas compresses where fluid does not. That is the soft, long pedal drivers feel at the end of a straight on lap four. A higher boiling point buys margin before that happens.

Two numbers matter. Dry boiling point is fresh fluid out of the bottle. Wet boiling point is fluid that has absorbed around 3.7% water, which is the honest number for fluid that has been in the car a while. Race fluids usually win on dry boiling point but absorb moisture faster, so they suit cars that get flushed often. A good street DOT 4 holds its wet figure better over a two-year service interval. We carry both so you can match the fluid to how the car is actually driven instead of overpaying for race fluid used on the school run.

DOT 3, DOT 4 and DOT 5.1 are all glycol-based and can be mixed. DOT 5 is silicone-based and must never be mixed with them. Always confirm the minimum spec on the reservoir cap first.

A full flush is within reach of most home mechanics with a pressure or vacuum bleeder, and many owners have it done at the same time as a pad or rotor change so the new hardware is bled in one go. Bleed all four corners, work from the caliper furthest from the master cylinder, and never reuse old fluid. Brake fluid strips paint, so keep a bottle of water and a rag handy. If new calipers, a big brake kit or braided lines are going on, flush completely rather than topping up old fluid into fresh hardware.

• Performance brake pads
• Brake rotors and 2-piece brake rotors
• Braided brake lines
• Big brake kits and performance calipers
• Caliper rebuild kits
• Brake cooling
• Brake bundles
• All brake parts

Do I need racing brake fluid for street driving?
No. A quality DOT 4 is plenty for daily and spirited road driving. Racing fluid earns its place once you are doing track days or repeated hard stops from speed.

Can I mix brake fluid brands?
Yes, as long as both are glycol-based (DOT 3, 4 or 5.1). Never mix DOT 5 silicone fluid with glycol fluid. For best results, flush rather than blend.

How much fluid do I need for a flush?
Most four-cylinder and six-cylinder passenger cars take roughly one litre for a proper four-corner flush. Larger systems and big brake kits can take more, so buying a little extra avoids running the reservoir dry mid-bleed.

How often should brake fluid be changed?
Every two years for a street car is the common manufacturer recommendation. Track-driven cars are usually done far more often, sometimes every few events, because heat and moisture both drop the boiling point.

Do you ship brake fluid Australia-wide?
Yes. Brake fluid ships across Australia with the rest of our brake range, subject to the usual carrier rules for this type of product.