{"product_id":"johnsens-dot-3-brake-fluid-1-gallon-synthetic-high-boil-450-f-for-disc-drum-abs","title":"Johnsen's DOT-3 Brake Fluid — 1 Gallon, Synthetic High‑Boil 450°F for Disc, Drum \u0026 ABS","description":"\u003cp\u003e\u003cstrong\u003eJohnsen's 2234 Premium DOT-3 Brake Fluid is a synthetic, high‑performance DOT 3 brake fluid sold in a 1‑gallon container with a minimum boiling point of 450°F, formulated for use in disc, drum and ABS brake systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you need a reliable, shop-ready brake fluid that meets industry standards, Johnsen's 2234 delivers a synthetic DOT 3 formula engineered to resist vapor lock and maintain predictable hydraulic performance under heavy use. It meets and exceeds DOT 3 and all applicable Federal and SAE specifications, and it mixes with other DOT 3 fluids for easy top-up or system service. This 1‑gallon size is convenient for home mechanics and professional garages that service multiple vehicles or perform complete system flushes.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this brake fluid stand up to high temperatures?\u003c\/h3\u003e\n\u003cp\u003eJohnsen's 2234 has a minimum dry boiling point of 450°F, so it tolerates the heat generated during repeated heavy braking and towing. A higher boiling point reduces the risk of vapor formation in the brake lines, preserving pedal feel and braking responsiveness.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMinimum dry boiling point: 450°F (230°C) for improved heat resistance\u003c\/li\u003e\n  \u003cli\u003eFormulated to reduce vapor lock under repeated thermal stress\u003c\/li\u003e\n  \u003cli\u003eMaintains hydraulic pressure and pedal firmness at elevated temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I mix Johnsen's 2234 with other brake fluids?\u003c\/h3\u003e\n\u003cp\u003eYes — this fluid is compatible with all DOT 3 approved brake fluids, allowing safe mixing for topping off the reservoir or blending during a service. Avoid mixing with DOT 4 or DOT 5 silicone fluids; always follow vehicle manufacturer recommendations for fluid type.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with all DOT 3 fluids for convenient servicing\u003c\/li\u003e\n  \u003cli\u003eNot compatible with DOT 5 silicone-based fluids\u003c\/li\u003e\n  \u003cli\u003eFollow manufacturer guidance when switching fluid types\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs Johnsen's 2234 suitable for modern ABS and mixed braking systems?\u003c\/h3\u003e\n\u003cp\u003eDesigned for use in disc, drum and ABS systems, this DOT 3 formulation meets the performance characteristics required by modern hydraulic braking designs. It provides the stable viscosity and corrosion protection necessary for anti‑lock modulator components and caliper operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApproved for disc, drum and ABS-equipped vehicles\u003c\/li\u003e\n  \u003cli\u003eStable viscosity supports consistent ABS modulation and braking feedback\u003c\/li\u003e\n  \u003cli\u003eIncludes additives to protect internal system components from wear and corrosion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes the 1‑gallon size practical for users?\u003c\/h3\u003e\n\u003cp\u003eThe 1‑gallon container is sized for multiple brake services, full system flushes, or frequent fleet maintenance without frequent repurchasing. It reduces packaging waste compared with multiple small bottles and is easy to store in a workshop or garage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne gallon covers several vehicle services or complete system flushes\u003c\/li\u003e\n  \u003cli\u003eIdeal for home mechanics, fleets, and professional shops\u003c\/li\u003e\n  \u003cli\u003eSturdy packaging simplifies pouring and storage between uses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: Johnsen's 2234 Premium DOT‑3 Brake Fluid is intended for DIY mechanics, professional technicians, and fleet managers who need a dependable, specification‑compliant DOT 3 fluid in a bulk size. Choose it when your vehicle owner’s manual specifies DOT 3, when you require a higher boiling point for towing or performance driving, or when maintaining ABS and conventional hydraulic brake systems across multiple vehicles.\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: Is Johnsen's 2234 compatible with DOT 4 brake fluid?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, DOT 3 mixes with other DOT 3 fluids only. DOT 4 has different additives; consult your vehicle manual before switching.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this fluid in ABS-equipped cars?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Johnsen's 2234 is formulated for disc, drum and ABS systems and meets DOT 3 specifications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Johnsen's","offers":[{"title":"Default Title","offer_id":48086247735454,"sku":"B001DKSUNA","price":42.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/johnsens-dot3-front-label.jpg?v=1785891948","url":"https:\/\/northtrailauto.ca\/products\/johnsens-dot-3-brake-fluid-1-gallon-synthetic-high-boil-450-f-for-disc-drum-abs","provider":"North Trail Auto","version":"1.0","type":"link"}