DOT 4 brake fluid has higher dry and wet boiling points, making it safer for higher temperatures. Ultimately, the difference between DOT 3 and DOT 4 brake fluids lies in their ability to handle …

Mar 9, 2023 · The main difference between the Dot 3 and Dot 4 brake fluid is the boiling point. The Dot 4 brake fluid does have both a higher wet and dry boiling point and is better suited for …

DOT brake fluids are not interchangeable. Learn the differences between DOT 3, DOT 4, and DOT 5.1 brake fluids and which is compatible with your brake booster.

DOT 3 is made by blending polyalkylene and ether, while DOT 4 is a mixture of borate and glycol. The glycol ether holds quite well in wet and hot conditions, which makes it a perfect choice for …

Dec 27, 2024 · We brake...err....break down the distinctions between DOT 3, DOT 4, DOT 5 & DOT 5.1 Brake Fluid (and show you when & where to use them).

DOT 3 and DOT 4 are glycol-based brake fluids that offer different boiling points & viscosity ratings. Both are similar but the DOT 4 is regarded to be better in most situations. For that …

Aug 22, 2024 · DOT 4 brake fluids, introduced in 2006, are similar to DOT 3. But they contain 20 to 30 percent borate ester, which significantly increases DOT 4 boiling points. What’s the …

Dec 2, 2022 · The DOT 4 fluids have higher dry and wet boiling points, which are required in brake systems that generate more heat due to faster speeds and heavier towing loads. DOT 4 …

Mar 18, 2025 · Dot 4 Plus brake fluid is a high-performance brake fluid that exceeds the standards set by the DOT, with a minimum dry boiling point of 500°F (260°C) and a minimum wet boiling …

Feb 13, 2025 · Learn about the different types of brake fluids—DOT 3, DOT 4, DOT 5, and DOT 5.1—and find out which one is best for your vehicle. Understand their differences, uses, and …