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12" Line is most often used to connect your actuator to the rest of your hydraulic system. Brass fittings won't rust and are easier to work with than stainless steel.
Features:
Specs:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello, neighbors, Steven here with etrailer.com. Today we're looking at our Deemax Hydraulic Brake Line that is rubber with the brass male and inverted flares, and it's one foot long. So folks, this brake line here will act as part of a hydraulic brake system, it will require additional lines and fittings, those are sold separately, this is just one simple component part of those. It's typically used to connect an actuator to the main brake line. It is made of rubber, so it has a nice flexible construction that's gonna be perfect for your foldaway trailer tongues, disc brakes, torsion axles, and again, it has the breadth, male inverted flare fittings on both ends. Those are three 16th-inch fitting sizes, while the thread size is a three-eighth inch by 24.
The inner hose diameter is one-eighth inch, and overall, the whole hose is 12 inches, side to side, our length side. Nice three-year warranty, it does meet all DOT and SAE standards, it's also stamped onto the rubber itself, and the size is stamped on there as well. Now this does make a better sealed in the steel fittings because brass is gonna be more pliable and it's gonna help prevent leaks, splits, and corrosion. I'm Steven, thanks so much for watching, folks. Have a great day.
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Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
The hose and the acuator i purchased are working like they should but the boat is not on trailer. I'm sure it will be fine. Thanks for your help.
Shipping was a day late but hose appear to be high quality. will be installing soon
Very poor quality on these brake lines. The brass fittings cross thread very easily.
Exactly what I needed for my freshwater boat trailer. Seems like it will is very good quality
Got this for my boat trailer great replacement line. I have brakes again
Fast shipping.
Great follow up.
Nice product, quick shipping.
The DeeMaxx kit worked well after trying to figure out the brake lines and where they should run. Installing the disks was slow at first as I wanted to make sure I was doing it right the first time. Bleeding the calipers was most effective having my wife in the truck, brakes on, brakes off. The test run was a challenge as we live in the mountains and there is very little level ground, not even the Walmart parking lot. The truck and 5th wheel combo stopped quicker than I have ever experience in the 28K miles we have traveled since 2020.
Great parts & great service
thank you
Looks great haven’t installed yet
Everything great but took a little longer than I thought, Not excessive though.
You can judge a company in the way they handle problems. I received a brake hose that had been improperly assembled by the manufacturer. I sled Etrailer (at night!). Brittany listened and said she would ship another one at their expense. I received the hose today. Etrailer quickly took care of the issue. This is a company with whom I want to do business! 5 stars!
Perfect fit. Easy to install. So much easier than metal lines it replaced.
Worked perfect in the disc break application on my 5th wheel RV
You are the best vendor out there for all things trailer!
Fit great. Quality looks good.
Awesome I finally found some flexible brake lines for my truck. I'm definitely going to be ordering more from y'all. I have a 2001 Toyota tundra and your brake lines have helped me tremendously because before my truck was busting the metal break lines over and over.
Do not order this product. The standard fittings for 3/16 flared brake lines have 3/8"-24 threads. This has something else. I'm not sure what the threads are, maybe they're some metric thread that someone through would be close enough, maybe they were made with really poor quality Chinese dies, whatever the story, the end fittings would not thread into 3/8"-24 fittings, they would start and turn a few threads then jam. Yes, I'm sure it was the firings on the hose which were the problem. I tried multiple fittings from multiple sources which all worked together nicely. I even checked with some good quality US made 3/8" 24 taps and dies The fittings on this hose were the one's which were the wrong size. Also, the flares on both ends of the hose were damaged.
Info for this part was:
At etrailer we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time.
Lazer S.
3/10/2026
I think you may have received either a damaged one (which you did mention) or a defective one, Andrew. I just grabbed two of these at random from our warehouse and test fit them in three different parts and they fit fine. If you would like, I can get a reshipment moving for you so we can get you one that I know fits. And out of curiosity, what are you putting this in? The brake, the actuator, or an adapter/t-fitting?