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Typically used on the Demco Kar Kaddy tow dolly, this self-adjusting hydraulic brake assembly features a single-plunger design. Galvanized steel resists rust. Mounting flange bolt pattern is 4 on 3.96".
Features:
Specs:
Customer Satisfaction Score:
96% were satisfied with this product
4% of customers were not satisfied
Ratings & Reviews
Product as described fast delivery
Great parts thanks
best value for the money
Brakes fit like they were suppose to.
One year of use, several thousand miles and still working great!
good easy to fix
Great product. Don't let them ship USPS took 2 weeks. Ship UPS.
Appears solid, well-assembled, and well galvanized. Not yet installed but looks good so far!
just what I needed. good price. fast shipping. thanks so much. have a great day.
Received this products in record time, a week earlier than expected. In fact, haven't even opened the box yet as it is raining in California. Both issues, delivery and rain are most unexpected.
All products are great and low prices. Customer service is top notch. Shipping is fast
Products arrived in 2 days, fit perfectly and the price couldn't be beat. Etrailer will always be my first choice parts place. Thanks etrailer.
Ordered wrong set, contacted etrailer and had correct set sent. No issues, other than a 7 to 10 day delay for a credit reimbursement. Make sure you verify the mounting plate bolt pattern and distances between bolts.
I had initially ordered the dual servo drum brakes and realized my mistake shortly before they arrived. I called customer service and Alex was extremely helpful and accommodating with helping me choose the correct brakes and exchanging the original ones. I have ordered from etrailer.com before and have never been disappointed.
Easy to install and working as expected.
Demco surge brake actuator
Demco brake cluster (2)
Product shipped and was received within a couple of days. Finally warmed up enough to tackle this project. My tow-dolly is a 1998 so the job was a little different than the video shows. Had to wrench the bolts all the way out with a cheater ( think Loc-Tite ). Also needed a little help with a hammer to separate hub/spindle from backing plate. Went back together pretty well. New actuator went right into place.
Great service.
I bought an old boat trailer "70 vintage" that had surge brakes. unfortunaly the wheel cylinders were bad and needed replaced. after several atemps I could not locate the proper cylinders or rebuild kits. I came across Etrailer's brake back plate kits and was amazed at the low price so I desided to try them. They bolted right up and fit purfectly on a 40+ year old axel and are working as they should. I upgraded the trailer to the self adjusting brake kit and is very pleased with the outcome.
After inspecting the brakes on my Demco Kar Kaddy, The brake shoes had some deep cracks in the shoe lining. I started researching the best option for replacement and ETrailer had exactly what I needed. The parts showed up within a week without incident. I could of just replaced the shoes but since I purchased this trailer used I wanted to make sure everything was top notch. I purchased the complete brake set, which comes with new wheel cylinders, shoes springs and all hardware. The job went smooth, remove the wheel and tire, remove the brake drum, I took the brake drums into a local shop and had them turned, remove the brake line, remove the four bolts that hold the hub and backing plate to the axle.The bolts had loctite on them so I took a tap and cleaned up the threads. I installed the new backing plate, put some new blue thread lock to the bolts and tightened to specifications. I adjusted the brakes to the freshly turned drums, bled the brakes reinstalled the tires and wheels and I was back in business.
etrailer.com did some magic, and made sure our delivery was on time, even when we had been notified by UPS that the order would be late, like 2 more days. Will definitely order from them again the next time we need parts. Installed the drum brake and everything is working fine.
Thank you, etrailer.com,
Sincerely
Greg R.
5/18/2026
Works as designed
Lazer S.
5/19/2026
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Jacques G.
12/3/2022
tres bien bon produit facile a changer [very good good product easy to change]