Specifications:
Brake Fluid Type: DOT 4 (glycol ether-based)
Dry Boiling Point: ≥ 260°C (typical premium version)
Wet Boiling Point: ≥ 155°C
Standards: FMVSS 116 DOT 4, DOT 3, SAE J1703, SAE J1704, ISO 4925
Chemical Base: Glycol ether
Color: Yellow/Amber
pH: 7–11
Density: (20°C)~1.04 g/cm³
Flash Point: ≥120°C
Compatibility: Mixable with DOT 3 and DOT 4 glycol-based fluids
Not Compatible With: DOT 5 (silicone) or mineral oil brake fluids
Features
Suitable for hydraulic brake and clutch systems.
Compatible with ABS and ESP systems.
High corrosion protection for steel and non-ferrous metals.
Good rubber seal compatibility.
Hygroscopic (absorbs moisture), so replacement at the vehicle manufacturer's recommended interval is important.
Notes
Würth also offers DOT 4 LV (Low Viscosity) and DOT 5.1 fluids for vehicles requiring faster ABS/ESP hydraulic response. Use the specification recommended in your owner's manual.