{"product_id":"mag-1-dot-4-brake-fluid-1-gallon-high-temp-protection-moisture-resistance","title":"Mag 1 DOT 4 Brake Fluid — 1 Gallon, High-Temp Protection \u0026 Moisture Resistance","description":"\u003cstrong\u003eMAG 1 DOT 4 Brake Fluid is a performance-grade hydraulic fluid formulated to deliver high-temperature protection, moisture resistance, and smooth brake and clutch operation for vehicles specifying DOT 4 or DOT 3 fluid.\u003c\/strong\u003e\n\n\u003cp\u003eDesigned for disc and drum systems, this 1-gallon container of MAG 1 DOT 4 meets FMVSS 116 and exceeds SAE J1703 requirements, offering a reliable wet boiling point and enhanced component protection. Its advanced friction management formulation helps maintain consistent hydraulic pressure transfer and defends against corrosion and moisture-related degradation during everyday and demanding driving conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does MAG 1 DOT 4 perform under high-temperature driving?\u003c\/h3\u003e\n\u003cp\u003eMAG 1 DOT 4 is engineered to resist boiling and maintain hydraulic stability when brakes get hot. The formula's higher wet boiling point reduces the risk of vapor formation, helping preserve pedal feel and system responsiveness in extended or heavy-duty use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMinimum wet boiling point: 311°F (155°C)\u003c\/li\u003e\n  \u003cli\u003eStable viscosity for consistent pressure transfer\u003c\/li\u003e\n  \u003cli\u003eFormulation targets vapor reduction at elevated temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fluid work for both brake and clutch systems?\u003c\/h3\u003e\n\u003cp\u003eYes—MAG 1 DOT 4 is suitable for hydraulic brake and clutch systems that call for DOT 4 or DOT 3 fluids. It supports smooth engagement and reliable pressure delivery for clutch hydraulics while meeting the sealing and material compatibility needs of brake systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeets DOT 4 specifications and is compatible with DOT 3 systems where permitted\u003c\/li\u003e\n  \u003cli\u003eHelps sustain consistent clutch engagement and brake pedal feel\u003c\/li\u003e\n  \u003cli\u003eSafe for common rubber seals and hoses used in hydraulic systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does MAG 1 protect brake system components over time?\u003c\/h3\u003e\n\u003cp\u003eThe formula contains additives that reduce moisture-related corrosion and wear, extending component life. By resisting water absorption and helping manage friction characteristics, it contributes to cleaner system operation and fewer maintenance issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMoisture resistance to slow absorption and reduce internal corrosion\u003c\/li\u003e\n  \u003cli\u003eAdditives to help limit wear on metal parts and seals\u003c\/li\u003e\n  \u003cli\u003eFriction management technology to stabilize pad and rotor interaction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat specifications and standards does this fluid meet?\u003c\/h3\u003e\n\u003cp\u003eMAG 1 DOT 4 complies with Federal Motor Vehicle Safety Standard (FMVSS) 116 and surpasses SAE J1703 requirements, ensuring it meets industry safety and performance benchmarks. These certifications indicate the fluid has been tested for boiling point, viscosity, and compatibility with brake system materials.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFMVSS 116 compliant\u003c\/li\u003e\n  \u003cli\u003eExceeds SAE J1703 specification\u003c\/li\u003e\n  \u003cli\u003eAppropriate for systems recommending DOT 4 or DOT 3 fluids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: MAG 1 DOT 4 Brake Fluid in the 1-gallon size is intended for drivers, technicians, and fleet managers seeking a reliable, high-capacity hydraulic fluid for passenger cars, light trucks, and other vehicles that specify DOT 4 or DOT 3. It suits routine maintenance and refills, and is particularly useful for vehicles experiencing heavier braking or frequent stop-and-go operation where higher thermal performance and component protection are desired.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use MAG 1 DOT 4 if my vehicle specifies DOT 3?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, MAG 1 DOT 4 is compatible with systems that call for DOT 3, but always follow the vehicle manufacturer’s recommendation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should brake fluid be replaced with this product?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replacement intervals vary by vehicle and use; check your owner’s manual or inspect fluid periodically for contamination and moisture content.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Mag 1","offers":[{"title":"Default Title","offer_id":55169080721751,"sku":"B0BXQ6Z7WV","price":88.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mag-1-dot-4-gallon-front.jpg?v=1790418071","url":"https:\/\/britishgarage.co.uk\/products\/mag-1-dot-4-brake-fluid-1-gallon-high-temp-protection-moisture-resistance","provider":"British Garage","version":"1.0","type":"link"}