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If you’re ready to leave electric or surge drum brakes behind, this Kodiak Disc Brake Kit gives you the stopping power you’ve been missing. The 10-7/8" slip-on rotors fit right over standard idler hubs and are held in place by the wheel and bolts, so you can upgrade without replacing the whole assembly. With a 3,500-lb axle rating and a 5 on 4-1/2" bolt pattern, these cast iron rotors deliver smooth, consistent braking even at highway speeds.
Rust is the biggest enemy of trailer brakes, especially around water. Kodiak’s Dacromet-plated cast iron rotors, calipers, and brackets are rated for 300- to 400-hour salt-spray protection, giving them a big edge in both freshwater and saltwater environments. The coating resists pitting and flaking so your brake parts stay strong and dependable season after season.
Dragging brakes and uneven pad wear are common headaches with older setups. These self-adjusting cast iron calipers apply even pressure and retract farther than standard designs, allowing cooler running and longer pad life. Each caliper has a stainless steel piston that’s 2-1/4" in diameter—about 30 percent larger than typical brands—for stronger braking torque and shorter stopping distances.
Vibration and heavy loads can loosen cheaper brackets over time. Kodiak uses ductile iron mounting brackets with extra embossing for more thread contact and a side-support design that keeps the load on the bracket instead of the bolts. The standard 4-bolt brake flange configuration makes it easy to mount securely, whether you’re replacing worn parts or upgrading an existing setup.
Everything you need for the axle swap is included—two Dacromet rotors, two calipers with ceramic pads, two ductile iron brackets, and four stainless steel caliper bolts. The slip-on design simplifies installation so you can handle the upgrade yourself without pressing new hubs. Just add a hydraulic actuator rated at 1,500 psi or higher and compatible lines to complete your disc brake conversion.
Customer Satisfaction Score:
92% were satisfied with this product
8% of customers were not satisfied
Ratings & Reviews
Thanks for a great product. What I thought I would get was light weight rotors and calipers, but what I got instead was super heavy duty brakes that would stop a freight train or something you would find on a race car. Needless to say I was very pleasantly surprised when I opened the box. I know everyone expects to get what they paid for but seldom ever do you get more than your moneys worth. Thanks guys.
Ted
Best purchase I ever made!!
No more drum brakes , almost maintenance free!
Major improvement on stopping , no more fear of panic stopping, feels like boat isn’t even behind me!
Shipping containers need to be beefed up as the calipers in all three of the boxes were ready to fall out of the barely holding together boxes. No instructions with the actuator.
Easy installation onto my boat trailer. I would have gave it five stars if they would have included the bolts, lock washers, and nuts to secure the caliper bracket. Would have made things way easier.
Installed on my single axle boat trailer. Installation was simple. Greatly reduce stopping distance. Seem to be sturdy, well built components.
Everything was assembly fine until the last one. The copper inlet on the caliper snapped in half. Other 3 went together fine then this one just snapped. Not sure if I can get that fitting out of the caliper or not! Is there a way to replace that? Thanks
After reviewing several choices for adding brakes on my new Haulmark cargo trailer, I decided to go with these Kodiak over-the-hub disc brakes. They fit perfectly and am very well pleased with them.
I am reviewing the components and etrailer as they are not installed yet. Online ordering was easy - I was contacted immediately with shipping time and tracking numbers - it all went really well. The components showed up on time and in good condition. The boxes were a little hammered but UPS does that. Thanks etrailer good service - good prices: what else do you want?
Exactly what I bought and expected. Short ship time with two heavy boxes. Nice job!
Nice replacement for older Kodiak disc brakes. The quality looks like it's pretty good, but only time will tell since. The kit was simple to install if you already have similar style setup and axle mounting bracket.
This disc brake kit - Kodiak Disc Brake Kit - 10" Rotor - 5 on 4-1/2 - Dacromet - 3,500 lbs was used with the Demco Hydraulic Brake Actuator w/ Electric Lockout - Disc - Zinc - 2" Ball - 7,000 lbs
A couple of years after purchasing my boat I realized the the brake calipers on my boat trailer had seized. As a result the rotors were rusty and pitted. I selected this kit on etrailer because it had great reviews and was in the price range I had budgeted. The kit was easy to install and had great instructions. Towing my boat is actually a positive experience now that it has properly functioning brakes!
E trailers website provides enough info for me to find the exact product I need and the billing and shipping info is excellent. I will be going back for parts in the future!
Ralph
10/8/2022
Excellent, completely satisfied!
Paired this set of brakes with a HydraStar electric over hydraulic actuator for a cargo trailer that did not have brakes. Very satisfied with the quality look and performance so far. This set up will lesson the load on my truck/camper and allow for a more relaxed ride knowing I have additional stopping power. The instructions & available online information at Etrailer made it pretty simple. I expect these to perform as intended for many years. Etrailer was a great choice for me.
I just replaced the brakes on my trailer with this, Kodiak Disc Brake Kit in Dacromet. It replaces the same kit but in plain black E-coat finish. The only reason was a few years ago I lost a hub and left 1 disc covered in grease and when I replaced the hubs on that axle (on the side of the road) I disconnected the brake system to simplify things. It's sat for the last 2-3 years for the most part so instead of cleaning up the others and just replacing discs, a bracket, pads etc. and having to clean the calipers good, I decided it was wiser to start from scratch for not much more cost. I'm glad I did. I feel better with a new brake system, the Dacromet finish should do very well (although the E-coat didn't show any issues). The kit was easy to install and get going and works great.
Not that it's important, and wasn't the reason, but it looks good too. I also replaced all wheels and tires with A21514RTM45SM and when I got back from the first road test, I was pleasantly surprised about how good the wheels and brakes looked as I inspected everything. Having the light color finish made it much easier to see when working under the trailer where it's darker also. Just a bonus! And once again, eTrailer couldn't be beat for cost and quick delivery!
The brakes fit my 2006 Ranger boat trailer, w 15 in tires, I like this style of brake for one reason, the disc just fits over the hub and there is no messing with bearing and getting greasy.
Chris K.
3/19/2016
they work great, i put them in my 06 Range boat trailer and know i have breaks once again.
Finished drum to disc brake conversion on my 1993 year model Bass Cat trailer. Installation went smoothly and the UFP-A60 Actuator replaced the obsolete Atwood Actuator. Shortened the outer member a bit and added a 1" flat bar to the bottom for welding of 4" channel trailer frame.
Tommy
7/2/2023
Disc brake installation went smooth and easy. It would have been better to have the adapter plate mounting hardware. One think to note about these Kodiak disc brakes, the bleeder valve is a two part valve. Be sure to open the 516 hex bleeder screw and not the 38 screw in bushingseat.
Kit is good quality but does not coming with mounting bolts for the brackets and nowhere does it say that it needs to be purchased.
Lazer S.
9/25/2026
Sorry about that. I will see if I can get that added to the page to make it clear. Typically the bolts from the previous brakes are used to install the brackets, but it should be made clear that they aren't included with the new parts. What kind of trailer did you install these on?
Straight forward installation although wish the installation nuts & bolts to mount the caliper brackets would have been included in the kit. Especially like the greater piston size and fact that they pull back after braking so the pads are not dragging on rotor when not braking.
Vastly improved braking and stopping distance over the old electric brakes.
Albert
4/6/2020
Been a year, brakes are so responsive and work so much better will never rely on the old way further. Still working great, never any problem and have never experienced any fade. Switch now and enjoy the added safety.
Nice quality caliper/Disc set.
Hard to find a setup that has rotors without the Hub and Disc as a one piece unit.
This Kodiak has a few configuration options for a separate Disc Rotor.
Only one problem is that the shipping container had no packing for the protection of the components.
The brake caliper hose fittings had broken through the boxes and were exposed outside the packaging. The seal plugs had fallen out of the brass caliper connections.
This is a less than acceptable and desirable way to protect the units.
Hank B.
5/16/2014
They are still excellent in performance and quality.
I have a 2011 Lund impact 1775 on a Shorelander single axle trailer which tips the scale around 2500# dry. I felt that surge brakes would be a smart investment and take some pressure off my Ford F150 to help stop that beast. I researched kits, actuators, calipers and rotors and decided on the Kodiak caliper and rotor kit and the Titan actuator. eTrailer had both in stock, a convenient hose kit to boot and fair price so I purchased the lot from them. Delivery was very quick and all of the hardware arrived together and in good shape. It took me one afternoon to assemble the actuator on my swing \-away tongue and another to install the calipers and rotors. There was one snag with the hose kit, in that one of the hoses was incorrect. I contacted Bryan at eTrailer and he was very accommodating; rushing the correct hose to me and then following up by phone when I received it. It took about two hours to finish the installation and I couldn't be more pleased, both with the quality of the products and the first-rate service! I have yet to bleed the system and take it out for a run but I don't anticipate any issues. I fully recommend eTrailer, their products and service!
Jeff O.
1/21/2019
I want to thank you again for your assistance in getting me the correct parts for my trailer brake installation. I took three major road trips with the boat last year and the trailer brakes worked flawlessly. The major reasons I installed the braking system were: the overall weight of the boat and trailer in relationship to my pickup 2006 F150 and braking performancesafety on wetslick roads. Both of these concerns were tested last year with wonderful results. I have been telling my friends, with similar trailer packages, to investigate your product. Thanks again,
another successful project completed !!
PB blaster and Lubrimatic bearing marine lube (550 deg dropping point), highest on the market
Great Products, not cheaply constructed, really easy to install, following simple instructions. Replaced 10 by 2 inch drum brakes. Looks awesome.
Perfect fit , This is a high quality brake system all it takes to make it last for years is a quick fresh water rinse when you get home . (Which the previous owner did not do) etrailer has the best customer service there is bar none !
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Brooke M.
7/24/2024
I am looking into this, James. Thanks for letting us know and in the mean time I am glad the other three are working out well for you!