
Internal hose deterioration and environmental exposure can cause pressure loss, resulting in spongy brake pedal feel, uneven caliper response, and potential fluid leaks. These issues compromise safety and fleet reliability by increasing stopping distances and risking hydraulic failure. Replacing aging brake lines with our high-strength restores immediate hydraulic response and prevents internal line collapse under severe braking conditions.
This heavy-duty replacement line features a robust construction designed to withstand the rigors of commercial fleet use. Its superior burst pressure rating and high-quality rubber compounds resist cracking, dry rot, and expansion caused by internal fluid pressure fluctuations. Designed for drop-in installation, it ensures a secure fit without modifications, providing a reliable leak-free connection that maintains consistent brake performance across demanding operational environments.
- Overall Length: 17.78 inches
- Fitting / Outlet Size: 10mm INV thread
- Application: Commercial-Grade / Heavy-Duty Fleet / Passenger Automotive Cross-Over
Part Numbers
- 350-42009
Expert Installation & Field Note
Our shop experience specializing in heavy-duty brakes since 1985 highlights the importance of routing hoses properly to avoid chassis chaffing and ensuring adequate twist clearance during full-lock steering. Always verify that your existing line length and flare fitting threads match the replacement before ordering. Proper mounting bracket placement on heavy commercial frames is critical to prevent line stress and ensure long-term reliability.
Before ordering, physically inspect your existing brake line length, flare fittings, and banjos. Variations in vehicle wheelbases and production dates can alter routing, so confirm dimensions to ensure proper fitment in your fleet or utility application.
Features:
- Heavy-duty rubber compounds resist cracking and dry rot
- High-burst pressure rating suitable for severe-duty use
- Drop-in replacement for easy installation
- Corrosion-resistant fittings for long-term reliability
- Designed to prevent internal line collapse under heavy braking



