
This 20ft flexible rubber brake hose is DOT approved and engineered for hydraulic trailer brake systems. Ideal for boat trailers, it runs from the master cylinder or surge coupler along the frame to the first braked axle. Designed for high-pressure applications, it supports both drum and disc brakes and is compatible with surge couplers or electric-over-hydraulic units. Its UV-resistant rubber construction ensures durability in harsh marine environments by protecting against sun and saltwater damage. The hose features brass 3/16-inch male inverted flare fittings with a standard 3/8"-24 thread, making it compatible with most trailer calipers, wheel cylinders, master cylinders, and solenoid valves. The swivel fittings prevent twisting during installation, ensuring a secure, leak-free connection.
Product Specifications:
- Length: 20 ft (240 inches)
- Material: Flexible, UV-resistant rubber
- Certification: DOT approved
- Fitting Type: Male inverted flare
- Fitting Size: Brass 3/16-inch
- Thread Size: 3/8"-24
- Pressure Rating: High pressure for drum/disc brakes
- Application: Hydraulic brake systems on boat trailers and other trailers
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Description |
Material |
Overall Length |
Hose I.D. |
Fitting Thread |
Application |
Brake Line |
Rubber |
20 ft |
1/8'' |
3/8"-24 |
calibrated pressure valves, called brake lines, that let the car know when you want to slow down. The hoses are thin tubes filled with pressurized air that connect the master cylinder in the cabin to the brake calipers via the wheel cylinders and brake pads. |


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