Wagner DOT 5.1 SEVEREDUTY Brake Fluid

Wagner DOT 5.1 SEVEREDUTY is a non-silicone brake fluid certified to the DOT 5.1 specification, which sets minimum boiling points of 500°F dry and 356°F wet under FMVSS 116. The manufacturer states both figures precisely at those minimums · there is no Technical Data Sheet available to show any headroom above the floor. In practice, a fluid that meets the spec but documents no margin may still perform adequately for most daily-driving brake systems, but offers no confirmed buffer for heat-soak from sustained heavy braking. Brake fluid absorbs moisture over time, reducing heat resistance; the wet boiling point minimum of 356°F is where all DOT 5.1 fluids start, not where they stay.

Best for daily-driver owners who need a DOT 5.1-spec fluid · including those maintaining mountain bikes or hydraulic systems that specify DOT 5.1 · and want an accessible, price-competitive option. Skip if your vehicle is used for track days or sustained mountain descents where heat-soak is a real concern; a DOT 5.1 with a documented dry boiling point above 560°F would provide measurable margin. Do not use in systems that specify DOT 5 silicone-based fluid · this is non-silicone and incompatible.

Signal word is DANGER, driven by H318 (serious eye damage, Cat 1) · chemical-splash goggles are warranted for caliper bleeding and pressure-bleed operations where fluid can spray. H315 skin irritation applies; gloves are appropriate during an extended flush. A California Prop 65 warning is on the label per SDS §15. The mild sweet taste of brake fluid is a documented attractant for pets and small children; store sealed and inaccessible. Spent brake fluid cannot go down a household drain · collect at each bleed screw and take to a used-fluid disposal site.