Overview
This 4500 mm Stainless Steel Brake Line Kit (Part BLK.4500S) is a complete brake hose solution for tandem axle trailers up to approximately 7 m long. Built with braided stainless steel and PTFE (Teflon®) inner cores, these hoses are pre-flared with 3/8″ UNF fittings for quick, tool-free installation. A 3-way brass tee is included for clean axle junctions.
Certified to SAE J1401 and U.S. DOT standards, this kit is ideal for boat trailers, caravans, RVs, and other hydraulic brake applications requiring long and flexible routing.
✅ What’s Included
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1 × 4500 mm lead hose (straight fittings)
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2 × 2000 mm axle leg hoses (90° fittings)
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2 × 500 mm axle leg hoses (90° fittings)
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1 × 3-way brass joiner (HU3) for 3/16″ inverted flare lines
🔧 Key Features
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Fully pre-flared hoses — no flaring tools needed
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PTFE core and stainless braid for minimal expansion and excellent brake feel
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Corrosion-resistant — ideal for marine and offroad environments
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DOT and SAE J1401 certified — compliant with Australian and U.S. brake system standards
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Perfect for tandem axle trailers — simple, flexible routing with no rigid pipework
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12-month warranty and fast next-business-day dispatch from Brisbane
⚙️ Technical Specifications
| Feature | Specification |
|---|---|
| Kit Code | BLK.4500S |
| Lead Hose | 4500 mm (straight ends) |
| Axle Hoses | 2 × 2000 mm + 2 × 500 mm (90° ends) |
| Fittings | 3/8″ UNF inverted flare (brass) |
| Joiner | Brass 3-way tee for 3/16″ tube lines |
| Compliance | SAE J1401 / U.S. DOT certified |
| Warranty | 12-month manufacturer warranty |
🚚 Applications
This kit is ideal for:
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Tandem axle trailers, boats, and caravans up to 7 m
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Hydraulic brake systems requiring flexible hose routing
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Marine and offroad applications where corrosion resistance matters
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Builders replacing steel or copper lines with safer, more flexible alternatives
🔍 Why Choose This Kit?
Compared to rigid copper or rubber lines, braided stainless hoses with PTFE cores offer superior flexibility, minimal expansion, and better pedal response. This complete 4500 mm kit includes everything needed for routing to a tandem axle system, cutting installation time significantly and removing the need for flaring tools.
🛠 Installation Tips
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Secure hoses to chassis with stainless P‑clips to prevent rubbing
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Maintain smooth bend radii — avoid sharp angles at pivot points
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Always hand-tighten flare fittings before torquing
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Fully bleed system after installation to remove all air
Shipping is calculated at checkout based on your location.