{"id":2078,"date":"2025-07-24T09:41:47","date_gmt":"2025-07-24T02:41:47","guid":{"rendered":"https:\/\/www.dextrous-lubricant.com\/?post_type=product&#038;p=2078"},"modified":"2026-07-31T08:46:32","modified_gmt":"2026-07-31T01:46:32","slug":"amsoil-dot-3-and-dot-4-synthetic-brake-fluid","status":"publish","type":"product","link":"https:\/\/www.dextrous-lubricant.com\/en\/product\/amsoil-dot-3-and-dot-4-synthetic-brake-fluid\/","title":{"rendered":"DOT 3 &#038; 4 Synthetic Brake Fluid"},"content":{"rendered":"<p><a href=\"https:\/\/www.dextrous-lubricant.com\/wp-content\/uploads\/2025\/07\/Synthetic-Brake-Fluid.pdf\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"alignnone wp-image-2540\" src=\"https:\/\/www.dextrous-lubricant.com\/wp-content\/uploads\/2025\/06\/folder_result.webp\" alt=\"\" width=\"60\" height=\"60\" srcset=\"https:\/\/www.dextrous-lubricant.com\/wp-content\/uploads\/2025\/06\/folder_result.webp 512w, https:\/\/www.dextrous-lubricant.com\/wp-content\/uploads\/2025\/06\/folder_result-300x300.webp 300w, https:\/\/www.dextrous-lubricant.com\/wp-content\/uploads\/2025\/06\/folder_result-150x150.webp 150w, https:\/\/www.dextrous-lubricant.com\/wp-content\/uploads\/2025\/06\/folder_result-100x100.webp 100w\" sizes=\"(max-width: 60px) 100vw, 60px\" \/><span style=\"color: #0000ff;\">Synthetic Brake Fluid<\/span><\/a><\/p>\n<hr \/>\n<ul>\n<li>Maximum ABS and traction-control performance<\/li>\n<\/ul>\n<hr \/>\n<p><strong>Fights Water Contamination<\/strong><br \/>\nWater contaminates the brake system by seeping through microscopic pores in flexible brake lines and seals and through the reservoir fill cap. Brake fluid itself is hygroscopic (attracts moisture). Once introduced to the system, water reduces boiling points and compromises performance. It corrodes brake parts, lines and seals, leading to eventual failure. AMSOIL synthetic brake fluids\u2019 superior wet boiling points counteract these problems. They lubricate and protect intricate brake components despite the inevitable water contamination. Nitrogen is added to each bottle during manufacturing to purge moisture and ensure the maximum level of performance.<\/p>\n<hr \/>\n<p><strong>Firm Pedal Feel<\/strong><br \/>\nThe extreme pressure and high heat common to brake systems can push brake fluid beyond its boiling point, causing it to vaporize or \u201cboil-off.\u201d Water contamination can accelerate the process. This leads to a spongy or unresponsive feeling in the brake pedal (vapor lock). In contrast, the unique chemistry behind AMSOIL synthetic brake fluids increases boiling points well beyond DOT standards, even when contaminated with 3.7 percent water. AMSOIL Brake Fluids maintain a stable viscosity over a wide temperature range and flow easily at the high pressures generated in today\u2019s automotive brake systems to deliver solid, reliable braking.<\/p>\n<hr \/>\n<p><strong>Maximum ABS and Traction-Control Performance<\/strong><\/p>\n<p>AMSOIL DOT 3 &amp; 4 Synthetic Brake Fluid\u2019s low-viscosity provides superior cold-weather performance and excellent ABS and traction-control responsiveness. It covers a broad range of applications and exceeds DOT 3, 4 and 5.1 specifications.<\/p>\n<hr \/>\n<p><strong><u>APPLICATIONS<\/u><\/strong><\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"3731\" data-end=\"3905\">Use <strong data-start=\"3735\" data-end=\"3777\">AMSOIL DOT 3 &amp; 4 Synthetic Brake Fluid<\/strong> in passenger car, light truck and powersports applications that require a DOT 3, 4 or 5.1 product. Do not mix with DOT 5 fluid.<\/p>\n<p data-start=\"3907\" data-end=\"4096\">Refer to your owner\u2019s manual regarding the proper change interval for your brake fluid and to determine the correct DOT classification. Change fluid every two years for maximum performance.<\/p>\n<hr \/>\n<p data-start=\"3907\" data-end=\"4096\"><strong><u><span class=\"a_GcMg font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\">TYPICAL TECHNICAL PROPERTIES<\/span><\/u><\/strong><\/p>\n<p data-start=\"3907\" data-end=\"4096\"><img decoding=\"async\" class=\"alignnone size-full wp-image-4063\" src=\"https:\/\/www.dextrous-lubricant.com\/wp-content\/uploads\/2025\/07\/Capture-24.jpg\" alt=\"\" width=\"1149\" height=\"435\" srcset=\"https:\/\/www.dextrous-lubricant.com\/wp-content\/uploads\/2025\/07\/Capture-24.jpg 1149w, https:\/\/www.dextrous-lubricant.com\/wp-content\/uploads\/2025\/07\/Capture-24-300x114.jpg 300w, https:\/\/www.dextrous-lubricant.com\/wp-content\/uploads\/2025\/07\/Capture-24-1024x388.jpg 1024w, https:\/\/www.dextrous-lubricant.com\/wp-content\/uploads\/2025\/07\/Capture-24-768x291.jpg 768w, https:\/\/www.dextrous-lubricant.com\/wp-content\/uploads\/2025\/07\/Capture-24-600x227.jpg 600w\" sizes=\"(max-width: 1149px) 100vw, 1149px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Brake fluid acts as a hydraulic fluid, transferring power and lubricating brake system components while also preventing corrosion. It must contend with extreme heat and the inevitable moisture contamination that can lead to a brake system failure. AMSOIL synthetic brake fluids surpass Department of Transportation (DOT) requirements and provide auto enthusiasts and racers with a brake fluid that delivers superior high-temperature performance.<\/p>\n","protected":false},"featured_media":2008,"template":"","meta":[],"product_brand":[],"product_cat":[122],"product_tag":[],"class_list":["post-2078","product","type-product","status-publish","has-post-thumbnail","product_cat-brake-fluid","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DOT 3 &amp; 4 Synthetic Brake Fluid - dextrous-lubricant<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dextrous-lubricant.com\/en\/product\/amsoil-dot-3-and-dot-4-synthetic-brake-fluid\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DOT 3 &amp; 4 Synthetic Brake Fluid - dextrous-lubricant\" \/>\n<meta property=\"og:description\" content=\"Brake fluid acts as a hydraulic fluid, transferring power and lubricating brake system components while also preventing corrosion. 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AMSOIL synthetic brake fluids surpass Department of Transportation (DOT) requirements and provide auto enthusiasts and racers with a brake fluid that delivers superior high-temperature performance.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dextrous-lubricant.com\/en\/product\/amsoil-dot-3-and-dot-4-synthetic-brake-fluid\/\" \/>\n<meta property=\"og:site_name\" content=\"dextrous-lubricant\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DextrousLubricant.Amsoil\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-31T01:46:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.dextrous-lubricant.com\/wp-content\/uploads\/2025\/07\/DOT3DOT4-Brake-Fluid.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.dextrous-lubricant.com\\\/en\\\/product\\\/amsoil-dot-3-and-dot-4-synthetic-brake-fluid\\\/\",\"url\":\"https:\\\/\\\/www.dextrous-lubricant.com\\\/en\\\/product\\\/amsoil-dot-3-and-dot-4-synthetic-brake-fluid\\\/\",\"name\":\"DOT 3 & 4 Synthetic Brake Fluid - dextrous-lubricant\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.dextrous-lubricant.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.dextrous-lubricant.com\\\/en\\\/product\\\/amsoil-dot-3-and-dot-4-synthetic-brake-fluid\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.dextrous-lubricant.com\\\/en\\\/product\\\/amsoil-dot-3-and-dot-4-synthetic-brake-fluid\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.dextrous-lubricant.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/DOT3DOT4-Brake-Fluid.jpg\",\"datePublished\":\"2025-07-24T02:41:47+00:00\",\"dateModified\":\"2026-07-31T01:46:32+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.dextrous-lubricant.com\\\/en\\\/product\\\/amsoil-dot-3-and-dot-4-synthetic-brake-fluid\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.dextrous-lubricant.com\\\/en\\\/product\\\/amsoil-dot-3-and-dot-4-synthetic-brake-fluid\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.dextrous-lubricant.com\\\/en\\\/product\\\/amsoil-dot-3-and-dot-4-synthetic-brake-fluid\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.dextrous-lubricant.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/DOT3DOT4-Brake-Fluid.jpg\",\"contentUrl\":\"https:\\\/\\\/www.dextrous-lubricant.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/DOT3DOT4-Brake-Fluid.jpg\",\"width\":500,\"height\":500},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.dextrous-lubricant.com\\\/en\\\/product\\\/amsoil-dot-3-and-dot-4-synthetic-brake-fluid\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.dextrous-lubricant.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Product\",\"item\":\"https:\\\/\\\/www.dextrous-lubricant.com\\\/en\\\/product\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"DOT 3 &#038; 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