Should Hydraulic Trailer Brakes Lines Have Fittings that Can Swivel or Turn
Updated 02/10/2026 | Published 01/21/2026
Question:
I have a boat trailer that I replaced the brake actuator with the 7500 lb drum brake dexter actuator. The brake line to the drums are pre-existing. I cant connect the line to the actuator because neither the line or actuator have a swivel connector/union. The line binds before I can get it tightened to the actuator. Does someone make an adapter or union that swivels that would allow me to connect the line to the actuator?
asked by: ROB A
Expert Reply:
Hey Rob, the brake line on your trailer should have a male fitting that can spin freely on the rest of the brake line. Is yours a flexible brake line? Is it possible that the fitting is frozen to the line somehow and not letting it spin like it normally would?
Normally a flexible line like the part # DE56GR is used and the fittings can freely turn.
Product Page this Question was Asked From
DeeMaxx Hydraulic Brake Line - Rubber - 3/16" Brass Male Inverted Flares - 1' Long
- Accessories and Parts
- Brake Actuator
- Trailer Brakes
- Disc Brakes
- Hydraulic Drum Brakes
- 1 Foot Long
- Brake Lines
- Rubber Brake Line
- Brake Line Components
- DeeMaxx
more information >
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Jameson C.
2/10/2026
Hey Rob, did you find out if the fitting on your brake line was frozen or if you ended up switching to a flexible line like the one mentioned? Knowing what worked could help others dealing with the same brake connection issue.