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Hydrastar Hydraulic Brake Line Kit - Triple Axle - 25' Long, 3/16" Main Line

Hydrastar Hydraulic Brake Line Kit - Triple Axle - 25' Long, 3/16" Main Line

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Thick, durable brake line kit lets you run brake fluid from your brake actuator to your trailer brakes. Ideal for trailers with disc brakes. Includes 25', 6', and 4-1/4' brake lines, 3/16" flex lines, plus fittings and hardware. 1-800-940-8924 to order Hydrastar accessories and parts part number HS496-253 or order online at Free expert support on all Hydrastar products. Guaranteed Lowest Price and Fastest Shipping for Hydrastar Hydraulic Brake Line Kit - Triple Axle - 25' Long, 3/16" Main Line. Accessories and Parts reviews from real customers.
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  • Reviews (6)
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Hydrastar Accessories and Parts

  • Trailer Brakes
  • Hydraulic Drum Brakes
  • Disc Brakes
  • Brake Lines
  • Brake Line Kits
  • Hydrastar
  • 25 Feet Long
  • Steel Line and Flexible Hose
  • Triple Axle

Thick, durable brake line kit lets you run brake fluid from your brake actuator to your trailer brakes. Ideal for trailers with disc brakes. Includes 25', 6', and 4-1/4' brake lines, 3/16" flex lines, plus fittings and hardware.


  • Brake lines and fittings let you run brake fluid from your brake actuator to your trailer brakes
    • Designed for use on triple-axle trailers with drum or disc brakes
  • Durable, corrosion-resistant copper-nickel alloy lines
  • Flexible and kink-proof design is great for foldaway trailer tongues
    • More economical and easier to install than rigid steel lines
  • 3/16" Diameter main line is wider than standard brake lines so fluid can move faster for more consistent braking
  • Thicker walls compared with standard steel brake line kits provide additional strength and durability
  • Rubber flex lines are perfect for disc brakes and torsion axles
  • Brass, male, double-flare nut fittings on ends of each hose
  • Corrosion-resistant, brass tee fitting connects 3 hydraulic lines
    • Female inverted flares (FIF) at each port
  • Heavy-duty hose clamps secure hoses to your trailer's frame
  • DOT compliant
  • Kit includes:
    • (1) 25' Long brake line - 3/16"
    • (1) 6' Long brake line - 3/16"
    • (4) 4-1/4' Long brake lines - 3/16"
    • (6) 18" Male/male rubber flex lines
    • (3) 3/16" Brass, round T-fitting
    • (2) 3/16" Brass union fitting
    • (1) 3/16" Brass, round X-fitting
    • 1/2" Nylon hose clamps
    • 3/16" Nylon hose clamps
    • Self-tapping screws


  • Main line inner diameter: 3/16"
  • Fitting sizes: 3/16"
  • Lifetime warranty

496-253 Hydra Star Hydraulic Brake Line Kit - Tri Axle - 25' - 3/16" - Model BL-25TA

Item # HS496-253

Customer Reviews

Hydrastar Hydraulic Brake Line Kit - Triple Axle - 25' Long, 3/16" Main Line - HS496-253

Average Customer Rating:  4.8 out of 5 stars   (6 Customer Reviews)

Thick, durable brake line kit lets you run brake fluid from your brake actuator to your trailer brakes. Ideal for trailers with disc brakes. Includes 25', 6', and 4-1/4' brake lines, 3/16" flex lines, plus fittings and hardware.


Prcise with the right item that I didn't have the expertise without the deepth of knowledge and experience exhibited by the team at
Will provide pics when all tasks complete.


Read reviews and articles ordered adapter, brakes work great on my 2011 3500. Satisfied and recommend . Price was right.


Boxes failed with weight of items shipped, but good customer service and problems resolved in timely manner. Quality product.




Ask the Experts about this Hydrastar Accessories and Parts

  • Availability of Brake Line Kit for 3 Axle Hydro-Disc Trailer
    I'd be happy to help you find the right brake lines to fix up your triple axle trailer. I've included a link to our brake line kits, but if you could find the fitting types you need and let me know that would help me find a kit or put one together for your trailer's needs.
    view full answer...
  • Triple Axle Brake Line Kit for Use with Demco Surge Actuator part # DM8204311
    Yes the triple axle brake line kit part # HS496-253 is the correct brake line kit for your trailer with the Demco actuator part # DM8204311.
    view full answer...
  • Recommendation on Switching Vacuum Over Hydraulic Brakes to Electric Over Hydraulic Brakes
    Since the braking power is still hydraulic, you should have no issues converting from a vacuum over hydraulic system to an electric over hydraulic (EOH) system. The electric over hydraulic actuator will take the place of the vacuum that pressurized the existing brakes. Now, since you have disc brakes already installed on your trailer, I recommend the HydraStar Electric Over Hydraulic Actuator for Disc Brakes - 1,600 psi, # HBA16. The HydraStar actuator will allow you to apply the brakes...
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  • Is Larger Diameter Brake Line Required when Switching from Drum to Disc Trailer Brakes
    You would only need to switch to a larger diameter brake line if the braking response was slow. You can go to a larger line if you wanted but it won't be necessary. We have 1/4 line kits such as # HS496-251 for single axle trailers, # HS496-252 for tandem axle trailers, or # HS496-253 for triple axle trailers.
    view full answer...
  • Best Disc Brake Actuator for Triple Axle Drum Brakes
    For just the actuator by itself the correct Hydrastar is the part # HS381-8066 that you referenced as it's pressure rating is correct for drum brakes and is rated for up to three brake axles. For a kit that includes the needed junction box, 7-way connector, a junction box for easy wiring and other various terminals for an easy install you'd instead want the part # HS381-9066 as all of that is included with this kit. Then for a triple axle brake line kit we have the Hydrastar kit part...
    view full answer...
  • Trailer Disc Brakes are Slow to Respond when Connected to a 2010 Dodge Ram w/Integrated Controller
    Dodge says their integrated trailer brake controller is compatible with the electric over hydraulic brake systems, but we have found their compatibility to be hit and miss at best. There are a few things that can cause slow response in the trailer brakes. First make sure everything is wired correctly and that there are no weak or bad grounds. Grounds should be attached to clean and corrosion free bare metal surfaces. Make sure there is no corrosion in the vehicle and trailer side connectors.Wiring...
    view full answer...
  • Hydraulic Brake Line kit with 1/4 Inch Diameter Steel Brake Line
    The steel brake lines in kit # 9579-2 are 3/16. Kit # 24TR-BLKIT does have 1/8 inch inner diameter flexible line at a length of 24 feet. This will be long enough for your trailer. If you prefer the metal lines, then I recommend the HydraStar Hydraulic Brake Line Kit - Triple Axle - 25' Long, 3/16" Main Line # HS496-253.
    view full answer...
  • Is There Advantage to Using Hard Brake Lines or Flexible Brake Lines on Trailer
    There really isn't an advantage to using hard brake lines over flexible ones. It really comes down to whichever will be easier for you to install. I would recommend the flexible brake line kit part # 24TA-BLKIT as it will be easier to install. While they lines are flexible they do not bulge or expand from brake pressure. This brake line setup would work really well with the Hydrastar actuator # HBA16 you mentioned as well as the Kodiak disc brake conversion kit you are going with.
    view full answer...
  • Disc Brake and Actuator Kit Recommendation for 2016 Grand Design Momentum 397th
    Your trailer has 7k Lippert axles on it so the disc brake kit you would need is the three sets of # K2HR712D for the disc/rotor and caliper kits. This won't be super cheap but it will give you the best option for converting to disc. For an electric over hydraulic actuator kit you then would want the part # HS381-9067 which will give you everything needed except for brake lines. For that you then would want the part # HS496-253.
    view full answer...
  • Disc Brake Kit Needed for a 2015 Cyclone 4200 with Triple Dexter Axles
    I reached out to my contact at Dexter Axle who gave me the spindle information for your specific axle. The compatible disc brake kit that I recommend going with is part # K2HR712D from Kodiak. My contact did mention that this axle originally came with electric brakes so you will need a brake line kit as well since it sounds like you already have an actuator. I have linked our available brake line kits. All you have to do is filter through the selection for the best fit for your trailer...
    view full answer...
  • Parts Needed to Convert Triple Axle Trailer with Drum Brakes to Electric Over Hydraulic
    You'd need a set of 10k rated hydraulic drum brakes like the part # 23-404-405 per axle and then also a kit with the EOH actuator and electronics like the Hydrastar # HS381-9066 and the brake line kit # HS496-253 and you'd have everything you need to convert your trailer with three 10k rated axles with drum brakes to electric over hydraulic drum brakes.
    view full answer...
  • Single Axle Brake Line Kit Needed for Triple Axle Trailer to Make a Triple Axle Disc Brake Kit
    You wouldn't need a triple axle brake line kit, # HS496-253, because the Titan Disc Brake Kit # T4843800 already comes with 2/3 of what you need. So you would need a single axle kit # DM5424 or # DM5425.
    view full answer...
  • Disc Brakes for Dexter Axle Oil Hub 008-430-03
    We do have a disc brake kit that is compatible with the Dexter Axle Oil Hub for 9,000-lb - 10,000-lb General Duty Axles # 008-430-03 and for Dexter general-duty axles manufactured after May 2013. This disc brake kit is for spring axles only (which just means it will not fit torsion axles), and is the following: - Kodiak Disc Brake Kit - 11" Rotor - 8 on 6-1/2 - E-Coat Finish - Leaf Spring - 10,000 lb Dexter # K2R1058D11E These are over-the-hub rotors with cast iron calipers for exceptional...
    view full answer...
  • Converting to Electric-Over-Hydraulic Disc Brakes on Trailer with Three 8,000 Pound Axles
    I suggest the Kodiak Disc Brake Kit # K2HR89DE. They have an E-coat finish which will help reduce corrosion from the elements. Our most popular actuator is the Hydrastar # HBA16 and it's definitely the way to go. See the attached video when we put one on a trailer and it worked great. For brake lines use # HS496-253. If you don't already have a brake controller I suggest the Prodigy P2 # 90885. And for a breakaway kit # 20099.
    view full answer...
  • Converting Electric Brakes To Electric Over Hydraulic Disc Brakes On Triple Axle Trailer
    Yes, we have the HydraStar Hydraulic Brake Line Kit - Triple Axle - 15' Long, 1/4" Main Line, # HS496-153. We also have a 25 foot long kit, # HS496-253. With either kit, I recommend use with the HydraStar Vented Electric Over Hydraulic Actuator for Disc Brakes - 1,600 psi, # HBA16. This will convert the electric system over to a hydraulic system with the electric motor that pushes the plunger into the hydraulic master cylinder as you brake. I assume you have 3500 lb axles, and if...
    view full answer...
  • Disc Brake Recommendation for a Triple Axle Boat Trailer
    Since you will putting the disc brakes on a boat trailer I recommend going with something that will be corrosion resistant. For that I recommend Kodiak disc brake kit # K2HR35DS. It is constructed using stainless steel parts and other parts have a Dacromet coating for superior corrosion resistance. This is a complete kit for 1 axle. This kit has rotors that use inner bearing L68149 and outer bearing L44649. If you have different bearing numbers this kit can still work as long as the inner...
    view full answer...
  • Recommended Idler Hubs To Add Slip On Disc Brake Kit To Toy Hauler With Triple 7000lb Axles
    You sure would! For your Toy Hauler with triple 7000lb axles the Trailer Idler Hub Assembly for 7,000-lb E-Z Lube Axles - 8 on 6-1/2 - Pre-Greased # AKIHUB-865-7-2-EZ-K you were looking at will work perfectly with the Kodiak Disc Brake Kit - 13" Rotor - 8 on 6-1/2 - Raw Finish - 1/2" Bolts - 7,000 lbs # K2R712. Since you have triple axles you will need six of the idler hubs and three of the disc brake kits. Now you have the electric over hydraulic actuator needed, but did not mention...
    view full answer...
  • Electric Over Hydraulic Brakes, Leaf Springs, Bearings, Hardware, & Brake Lines for Dexter 7K Axles
    Since the ProLube kit # XLPROLUBE2440KIT is only rated for use on 5,200 to 6,000 pound axles I do not recommend using it for 7,000 pound axles. Grease would be better for marine applications since a hub full of grease repels water and an oil bath hub could just let the water set on top. The correct grease seal for disc brake kit # K2HR712D is # RG06-070. It does have an inner diameter of 2.25 inches and the outer diameter at 3.376 inches will fit the hub in the disc brake kit. Spring...
    view full answer...
  • Can I Use the Dexter DX Brake Actuator To Convert Drum Brake to EOH On Triple Axle Trailer
    The Dexter DX Series Electric Over Hydraulic Brake Actuator for Drum Brakes part # K71-650 will work well to actuate your drum brakes on the triple axle trailer when you switch over to electric over hydraulic brakes. You will also need a brake line kit. The longest brake line kit we have available is HydraStar Hydraulic Brake Line Kit - Triple Axle - 25' Long, 3/16" Main Line part # HS496-253. I do not believe this line kit will be long enough but I do not know how far back your axle. If...
    view full answer...
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  • Will the Kodiak Disc Brake Kit Part # K2R1058D11E Work on Torsion Axles
    I have the solution you are looking for, however the Kodiak Disc Brake Kit - 11" Rotor - 8 on 6-1/2 - E-Coat Finish - Leaf Spring - 10,000-lb Dexter part # K2R1058D11E wil not work on torsion axles. There just isn't enough room for the hardware to fit between the brake flange and frame. Instead you want to use Kodiak Disc Brakes - 13" Rotor - 8 on 6-1/2 - Raw Finish - Torsion - 10K Dexter and Lippert part # K2R1058D13. This kit is designed specifically for use on your axle. Upgrading...
    view full answer...
  • Does HydraStar Disc Brake Kit With Actuator for Triple Axle Trailer Have Option for 7K Oil Hubs
    We do have a way for you to use the HydraStar electric-over-hydraulic actuator for disc brakes with 7,000 lb oil hubs, but there is not a direct option for an entire kit that uses oil hubs; it is necessary to use grease with the hubs on the HydraStar Disc Brake Kit with Actuator for Triple Axle Trailers # HSE7K-TR1. Instead, you would need to piece together three disc brake kits (one for each axle) that fit the same spindle as the HydraStar hubs, along with the actuator and brake lines....
    view full answer...
  • Parts Needed To Add Electric Over Hydraulic Disc Brakes To Triple Axle Toy Hauler
    I would be happy to help! The only triple axle disc brake kits currently offered all have 1/2" wheel studs so we will need to piece a kit together for you. I recommend the Kodiak Disc Brake Kit - 13" Hub/Rotor - 8 on 6-1/2 - E-Coat - 7,000 lbs # K2HR79E which will fit the 7000lb Dexter axles you have, and gives you the 9/16" studs you mentioned. Since you have 3 axles you will need 3 of these kits. Next you will need brake lines of which I recommend the HydraStar Hydraulic Brake Line...
    view full answer...
  • Parts Needed To Convert a 2017 K-Z Durango Gold G384RLT From Drum to Disc Brakes
    I have attached for you below a list of parts that you will need to convert your 2017 K-Z Durango Gold G384RLT 5th Wheel Trailer from electric drum to hydraulic disc brakes. If my research is correct, you have two 7,000 lb Dexter Axles but if this is not the case please just let me know. Dexter Disc Brake Kit part # K71-694-695-12 (Grease) or part # K71-694-695-13 (Oil) Dexter DX Series Electric Over Hydraulic Brake Actuator part # K71-651 HydraStar Hydraulic Brake Line Kit part # HS496-253
    view full answer...
  • Parts Needed To Covert Electric Drum Brakes On Triple Axle Texas Pride Car Hauler To Hydraulic Disc
    I was able to determine that your 9,000lb axles on your Texas Pride Trailer will accept the Dexter Axle Oil Hub # 008-430-03. It uses the same Outer Bearing # 25580, Inner Bearing # 387A and this will use the Oil Seal # 10-51 which is the same 2.875 inner diameter as your grease seal. You will need the Oil Cap Kit # RG04-270 for the new hubs. And the Kodiak Synthetic Bearing Oil # XLPROLUBE can be used with all manufactures. The Kodiak Disc Brake Kit # K2R1058D11E will provide you with...
    view full answer...

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