Lucas Oil 10826 DOT 3 Synthetic Brake Fluid

No. The 10826 is single-rated DOT 3 only and is not certified to DOT 4. DOT 4 requires a higher minimum dry boiling point (446°F) and a higher wet boiling point (311°F) than DOT 3 (401°F dry, 284°F wet). If your owner's manual specifies DOT 4, buy a DOT 4 fluid instead.

The SDS Section 9 reports a boiling point greater than 450°F (232.22°C), about 49°F above the FMVSS 116 DOT 3 dry minimum of 401°F. That is an SDS-stated floor rather than a specific TDS-published value; Lucas Oil does not publish a separate TDS with a precise dry BP figure.

No. Lucas Oil does not publish a wet boiling point for this product on the manufacturer page, in the SDS Section 9, or on the Amazon listing. The FMVSS 116 DOT 3 wet minimum is 284°F; without a manufacturer figure or third-party test sheet, the operationally relevant heat resistance after moisture absorption cannot be verified.

Yes by chemistry class: all glycol-ether brake fluids (DOT 3, DOT 4, DOT 5.1) work with ABS and electronic stability control. Lucas Oil does not include an explicit ABS or ESC compatibility statement on the product page or the SDS. The fluid to avoid in ABS-equipped vehicles is DOT 5 silicone-based, which this product is not.

The SDS Section 15 explicitly states 'No products were found' under California Prop 65, and a CAS-level cross-check of all four ingredients against the Prop 65 list returned no hits. The Amazon listing flag is generic California-shipping disclosure rather than a chemistry-grounded warning for this specific formula. Three of four evidence sources (SDS Section 15, ingredient cross-check, and bottle imagery) are clear; the Amazon flag is the outlier.

Most manufacturers recommend every 2–3 years or 30,000–45,000 miles regardless of how the fluid looks. Glycol-ether brake fluids absorb moisture from the air over time, lowering the wet boiling point and reducing fade resistance. A brake fluid test strip from any auto parts store gives a more reliable answer than mileage alone.