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  1. Brake Actuator
  2. Dexter
  3. Surge Brake Actuator
  4. Disc Brakes
  5. 2 Inch Ball Coupler
  6. 7500 lbs GTW
Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes - 2" Ball - Zinc Plated - 7,500 lbs
Dexter

Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes - 2" Ball - Zinc Plated - 7,500 lbs

Part Number: 099-175-20
In Stock
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$381.95
Brake Actuator
099-175-20 - 7500 lbs GTW Dexter Brake Actuator
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Use this corrosion-resistant actuator to synchronize your trailer brakes with your tow-vehicle brakes. Drop-N-Go auto-latch coupler automatically locks your coupler in place on 2" hitch balls. Designed for hydraulic disc brake applications. 1-800-940-8924 to order Dexter brake actuator part number 099-175-20 or order online at etrailer.com. Free expert support on all Dexter products. Great prices and Fastest Shipping for Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes - 2" Ball - Zinc Plated - 7,500 lbs. Brake Actuator reviews from real customers.
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  • Reviews (90)
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Dexter Brake Actuator - 099-175-20

Highlights

  • Corrosion-resistant zinc plating: Highly durable against weather and salt exposure.
  • 7,500 lbs capacity: Perfect for heavy-duty towing with maximum safety and efficiency.
  • Hydraulic disc brake compatibility: Ensures smooth braking synchronization with the tow vehicle.
  • Drop-N-Go auto-latch coupler: Securely locks onto 2" hitch balls every time.
  • Electric lockout feature: Prevents unintended braking when reversing your trailer.
  • Bolt-on installation: Easily mounts with 3" wide channel and provides a secure fit.

Features to know about

Effortless Coupling Every Time: Drop-N-Go Auto-Latch Coupler

Tired of dealing with complicated hitch connections? The Drop-N-Go auto-latch coupler on the Dexter DX7.5 Brake Actuator makes hitching a breeze. This ingenious design automatically locks the coupler in place on a 2-inch hitch ball, ensuring secure connections with minimal effort, even when in a closed position. Perfect for anyone who wants reliable towing without the hassle.

Built to Last: Zinc Plated Corrosion Resistance

If rust and corrosion are your concerns, this actuator is here to put your mind at ease. Engineered with durable zinc plating, it offers superior corrosion resistance, making it perfect for boats or trailers that are frequently exposed to the elements. This sturdy steel construction ensures longevity, keeping your trailer running smoothly for years to come.

Smooth Stops, Every Time: Hydraulic Disc Brake Synchronization

Feel the difference in stopping power with the hydraulic actuator's ability to synchronize your trailer's brakes with your tow vehicle. Designed specifically for hydraulic disc brake applications, this system activates effortlessly as you decelerate, providing seamless braking and enhanced safety.

Secure Your Investment: Included Breakaway Kit

Worried about trailer runaway scenarios? The included breakaway kit is a critical safety feature, designed to engage your trailer brakes should it become uncoupled from your vehicle. It's an essential addition for peace of mind on the road, safeguarding your trailer and its precious cargo.

Perfect Fit for Your Setup: Bolt-On Installation with Multiple Applications

Versatility is key, and the Dexter DX7.5 offers just that with its easy bolt-on installation. Made to fit a 3-inch wide channel tongue, this actuator caters to a range of applications including agricultural, construction, marine, travel trailer, and utility trailers. Its 7,500 lbs GTW capacity makes it a robust choice, ensuring you can tackle any towing challenge with confidence.

Premium Materials for Peace of Mind: Aluminum Master Cylinder

Sick of replacing master cylinders due to rust? The aluminum master cylinder in this actuator outperforms traditional cast steel options by significantly reducing rust and corrosion. It's an investment that protects your braking system while ensuring reliable performance every time you hit the road.

Specs

Application

  • Application: hydraulic disc brakes

Specifications

  • Ball size: 2"
  • Mounting: 3" wide channel tongue
  • Capacity: 7,500 lbs
  • Maximum tongue weight: 700 lbs

Warranty

  • Warranty: 1-Year warranty

099-175-20 Dexter Drop and Go Brake Actuator - Disc brakes

Replaces Titan Model 60 Leverlock Trailer Brake Actuator for Disc Brakes - T47154107K, T47154207K, T47154007K





Customer Satisfaction Score:

Ratings & Reviews

4.8

90 reviews
Use this corrosion-resistant actuator to synchronize your trailer brakes with your tow-vehicle brakes. Drop-N-Go auto-latch coupler automatically locks your coupler in place on 2" hitch balls. Designed for hydraulic disc brake applications.

by:

My previous 14 year old surge tongue actuator (same thing different manufacturer) developed a leaky seal causing rust inside the brake fluid reservoir. There was also some borderline annoying wear. The Dexter part was an exact replacement. Full braking potential restored for the boat trailer! Would recommend Dexter for many applications.



by:

My purchase was smooth and shipping was very informative on delivery time. I will be ordering another one soon to replace an old one on another trailer. etrailer makes it easy.



by:

Perfect match, should be an easy replacement. All I need now is for the heat and humidity to go away. Until then I'll hide in my basement wood shop. Thanks again



by:

Outstanding replacement! Much better than OEM!

Ryan profile picture

Ryan

7/1/2025

Performing flawlessly



by:

Order was as advertised! The order process was quick, easy and the product arrived on time.



by:

Knowledgeable people and fast shipping. Thank you!



by:

Item I needed was carried and in stock; shipment was very quick to arrive. Now I can get my trailer brakes working again!



by:

Excellent customer service and follow-up arrived as described in perfect condition



by:

I want to thank Tyler.B for the great customer service.

Brooke M. profile picture
Etrailer Expert

Brooke M.

5/13/2025

I have already passed your review along to him, James! It'll make his day! :)



by:

All components to refresh this NorthRiver Seahawk trailer are EXCELLENT !! Thank you guys and everything went together so easily !!

Gwendolyn Y. profile picture
Etrailer Expert

Gwendolyn Y.

3/10/2025

Hey Lee! I'm happy to hear everything went on so smoothly! When do you get to launch your boat into the water for the season?



by:

I bought this as a replacement for an identical unit that was damaged in the boat yard. As I recall, etrailer was the only one who had the unit at the time. I called etrailer to discuss specifics, and they were friendly and helpful. No surprise that the unit performed exactly as the one that was damaged.



by:

Anna was great at helping me confirm what I needed to order. I installed the Kodiak 10” disc brake kit, new lines and Dexter actuator with no trouble. I got rid of my rusty drum brakes that were a hassle to clean and maintain in salt water. Shipping was fast and my order was complete. I’d definitely recommend etrailer.com to friends!!



by:

Perfect replacement



by:

Original brake actuator was welded to the trailer tongue. I had to cut it back and weld a new piece of 3x3 tube steel and extend it out enough to install the new actuator. It lengthened the trailer by about a foot but worked out pretty well. The new one works great.



by:

It is better than what I had. It leaks and without taking it apart It is hard to tell where. When I installed it I did so with brand new lines as well. I have checked the tightness at all connections visible. It works good if I keep fluid in it.



by:

A complete replacement that was easy to install.



by:

solid actuator for a fair price. The auto latch feature is a nice feature.

Ray profile picture

Ray

8/20/2024

1 year later...no issues. Auto hitch still works great. I love the and go feature. So far no rust or corrosion anywhere. Highly recommend.



by:

Easy to install and works as it should.



by:

Been doing this for years...One of the easiest couplers to bleed!! Very nice!! Plus a hole for reverse lock out if needed.
Brian
Clarke's complete service



by:

The hitch is great. Disc brakes vs the drums I had before make noticeably more stopping power. My one regret is that while there is a backing lockout of the surge brake via a solenoid valve, for high mountain trailering, the surge brake stays applied when you’re descending in low gear. I smoked my brakes coming down from 5,500 ft last week, expelling a decent amount of high temp red bearing grease. I guess if steep mountain roads are the norm, maybe an electric brake overhaul would have been better.



by:

I installed this as part of a disk brake retrofit to a tandem axle boat trailer that didn’t come with brakes. It was an easy swap from my factory coupler and connected fine to the flexible brake line kit. How to bleed the brakes wasn’t obvious from the instructions and YouTube videos are mostly out of date, but all it took was a long handled flat screwdriver to action the pump and apply pressure. The drop and go system is easy to use. I wish this model had a manual reverse solenoid lockout but the electric lockout has been working fine.



by:

Excellent product, price, and service!



by:

I dove into this job of replacing my entire rusted out disc brake system on my double axle boat trailer having never done it before. Between the variety of part choices and accurate descriptions coupled with excellent phone service and on site videos, I was able to rebuild my trailer brakes system and suspension in total. I compared prices with the trailer manufacturer and found that etrailer either beat the price or matched it but I chose to give my business to etrailer because of the service! I do recommend this company and will use etrailer.com again anytime!



by:

I changed the brakes on my 1995 boat trailer from drum to disc. I was able to figure out what to order on the etrailer web site. The whole project was relatively easy. I just had to remove the old parts and bolt on the new ones. The new trailer hitch actuator is much easier to used than my old one.



by:

This part was a straightforward bolt on work perfect thank you


25
90
Show More Reviews

See what our Experts say about this Dexter Brake Actuator

  • Recommended Drum to Disc Brake Kit for a 3500 lb Tandem Axle Boat Trailer
    Mark, the Kodiak Disc Brake Kit # K2HR35DKG appears to be what you're looking for but you're going to need to verify which bearings your trailer uses right now to make sure it's compatible. The bearings, actuator # DX29FR and brake lines # 18TA-BLKIT would need to be added separately as well.
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  • What is the Best Disc Brake Actuator for a Four Winns Horizon 190 Boat Trailer
    If you are wanting to replace the entire surge brake actuator on your Four Winns Horizon 190 boat trailer then I have exactly what you will need. I recommend using the Dexter Disc Brake Actuator part # 099-175-20. This actuator works with 2" hitch balls. It has a 7,500 lb weight capacity, fits a 3" wide channel, and includes a electric lockout feature so you will not have any issues backing the trailer up. The actuator also offers a completely bolt-on installation. The Titan brake actuators...
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  • Tie Down Model 70 Surge Brake Actuator Replacement Recommendation
    For a disc brake model with an electric reverse lockout solenoid you can use # 099-175-20.
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  • How to Bleed Brake Lines with Titan Model 60 Hydraulic Brake Actuator Without Electric Lockout
    The Dexter Brake Actuator part # 099-175-20 replaced the Titan 60 that has a master cylinder with a fitting at the end. The fitting is a 3/16 inverted flare where the brake lines connect to. You do not need an extra fitting when you use the actuator. If you ever need to replace the fitting, it is part # T4750300. I recommend Kodiak Brake Line for Single Axle trailers part # 18SI-BLKIT. The flexible line of the Kodiak kit has a thread size of 3/8"-24 and fits a 3/16" fitting like the one...
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  • Trailer Coupler Needed To Convert To Electric Over Hydraulic Brakes
    Hey Kelvin, From what I can find the Titan Model 6 brake actuators have their bolt holes almost in a straight line at the bottom of the coupler so you would have drill new holes in order to mount a new brake actuator. It also shows the Model 6 having a 2-5/16" ball coupler so the Demco # DM62VR and Dexter # 099-175-20 wouldn't be the right choice. If you're wanting to switch to electric over hydraulic then you'll want to go with a standard coupler like the Demco Channel Tongue Trailer...
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  • Replacement for Atwood Surge Brake Actuator
    The Atwood MPD 85778 is not actually a model number for their actuator, it is a literature number - basically a manual number so I wouldn't be able to tell you what a direct replacement would be. You will need to match your actuator to either drum or disc brakes, the weight capacity, coupler size and what size tongue it bolts onto. For example, if you had disc brakes, a 3" wide channel tongue, needed a 7,000 lb capacity and had either a 1-7/8", 2" or 50-mm hitch ball a great option...
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  • Actuator Replacement Recommendation for Tie Down Model 70
    For a disc brake model with an electric reverse lockout solenoid you can use # 099-175-20. This would be a great replacement solution.
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  • Recommended Replacement Actuator for a TDE 7.5K Coupler
    Hi Hssutton, to replace your TDE 7500 hydraulic coupler I recommend going with the Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes # 099-175-20. This actuator will work with 3" wide frames, 2" hitch balls, and has the same 7.5k capacity your current one has. This coupler is for disc brakes, but if you need one for drum brakes then you can use the Dexter DX7.5 Drop-N-Go Brake Actuator # 099-175-00 instead.
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  • Will the etrailer Anti-Rattle Hitch Collar Stop My Ball Mount From Moving Forward?
    Hey Jason. The etrailer Anti-Rattle Hitch Collar item # e38FV will stop any rattling or vibrations you're feeling that are transferred from your ball mount through your hitch. However, seeing as how you have a boat trailer I'm guessing what you're feeling is your surge brake actuator functioning as it's designed. What kind of coupler do you have on your trailer? Does it look similar to item # 099-175-20 or item # T4500600.
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  • Should the Grease Bolts Be Tight on the Dexter DX7.5 Drop-N-Go Brake Actuator?
    Hey Robert. The side bolts with the grease fittings should be tight on the Dexter DX7.5 Drop-N-Go Brake Actuator item # 099-175-20. They're not holding the actuator on but you don't want the nuts backing themselves off. What kind of trailer do you have?
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  • Comparing Demco and Titan Disc Brake Actuators with Electric Lockouts
    That is a tough question to answer as both are excellent manufacturers with their respective pros/cons. In regards to brake actuators, they both make and manufacture them here in the U.S.A. and they both come with a one year warranty. In regards to differences, Demco makes a wide range of different trailer and towing products whereas Titan specializes more in trailer brakes. WIth that being said we have had more positive feedback from Titan products in regards to trailer brakes, actuator...
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  • Recommended Disc Brake Kit and Replacement TieDown Model 70E Actuator for Load Rite Boat Trailer
    The Dexter DX7.5 Drop-N-Go Brake Actuator # 099-175-20 is a direct replacement for your Tie Down model 70E disc brake actuator with a 7000 lb capacity (Tie Down was bought out by Dexter back in 2017). Although I don't have a way of decoding your VIN, you should be able to call Load Rite and provide them with your VIN - they will be able to tell you exactly what kind of axle is on your trailer. If you can get back to me with your exact axle capacity and wheel bolt pattern, I will be happy...
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  • Using Surge Brake Actuator on Trailer with Fold-Away Coupler Hinge
    If your trailer is equipped with a fold-away coupler hinge like # FHDPB330301 then you can still use a surge brake actuator like the excellent Zinc-Plated # 099-175-20. The only thing you will want to add is a flexible brake line across the hinge like the Titan # T0776500 to accommodate this function. Please note that the Kodiak Disc Brake Kit # K2HR35D referenced in your question includes rotor-and-hub assemblies, calipers, mounting brackets, and mounting bolts but it does not include...
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  • Solution for Prestige Boat Trailer Surge Brake Actuator Replacement
    Hey Shawn, so you have a now discontinued Atwood actuator that is totally obsolete so you will need to have it removed and install a replacement like the part # 099-175-20 which is for surge disc brakes. You'll need to have your Atwood cut off and this welded back on it it's place.
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  • Titan Trailer Disc Brakes Lock Up While Towing and Will Not Release
    It sounds like you are getting air in the system somewhere which could be from a hose with dry rot or a compression fitting especially since the trailer has not seen too much activity. To check for leaks you can fill the reservoir and manually actuate the brakes and look for leaks. Repair or replacing leaking parts, bleed the system, and see if that was the issue. It is also possible that the break away cable is partially engaged. If it is, it will need to be reset and the way you do this...
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  • Recommended Disc Brake System For LoadRite Boat Trailer With 5200 lb Axle
    We have the Kodiak Disc Brake Kit - 12" Hub/Rotor - 6 on 5-1/2 - Dacromet - 5,200 lbs to 6,000 lbs # K2HR526D for your 5200 lbs axle. You will want to make sure that the bearing sizes match up for a confirmed fit but this is very likely the proper fit. I've attached an article to assist. Then you will need a brake line kit for these calipers. I recommend the Kodiak Hydraulic Brake Line Kit - Single Axle - 18' # 18SI-BLKIT. The last thing you need is a brake actuating coupler like the...
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  • What Parts Are Needed to Convert To Disc Brakes on a Torsion Axle
    The axle capacity is usually stamped into the centerline of the axle or placed on an information sticker in that same location. With that being said, the axle capacity is not necessary needed if you can provide me with the inner and outter bearing numbers or the diameters of the spindle where they seat. This is the most important bit of information that is needed. Please keep in mind that I would also need to know what size wheels you have on your trailer. Once you can provide me with...
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  • What to do Now That Atwood Replacement Master Cylinder 85739 is no Longer Available
    You're certainly not the first person to ask about the Atwood 85739 master cylinder but those replacement parts are simply no longer available which means your best option truly is to replace your actuator. I completely understand this isn't the news you were seeking but it truly is the best option at this point. An outstanding manufacturer of actuators is Titan and they have a number of possibilities; I recommend checking out the Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes -...
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  • Can the Titan Aero 6000 Surge Brake Actuator Be Repaired Or Should It Just Be Replaced
    For a Four Winns Boat Trailer with Titan Aero 6000 Surge Brake Actuator, I recommend replacement using the Titan Zinc-Plated, Leverlock Brake Actuator part # 099-175-20 which is ready to go as is and will be a great fit. The reason I recommend replacement is because of the availability of spare parts. Although we do have the Replacement Damper part # T4502000 and Replacement Master Cylinder part # T4395100 (Confirmed for Aero 6000), there are still several other smaller parts that could...
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  • Recommended Replacement Actuator for an TDE LP70 Actuator
    Hey Brad, to replace your Tie Down Engineering LP70 actuator, I recommend going with the Dexter DX7.5 Drop-N-Go Brake Actuator # 099-175-20. This actuator will fit on 3" wide channel tongues, will work with 2" balls, and has a 7,500 lb capacity.
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  • Dexter DX7.5 Drop-N-Go Brake Actuator 099-175-20 - What Is The Distance Between Mounting Holes?
    Hello Joel, thanks for reaching out. The mounting holes on the Dexter DX7.5 Drop-N-Go Brake Actuator # 099-175-20 are 3" apart on center
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  • Is Dexter DX7.5 Drop-N-Go Brake Actuator Properly Seated on Hitch Ball
    Hi Jeff; can you send me a picture of the coupler on the ball? I'm assuming this is a 2" ball on your ball mount. It sounds like it is really close but difficult to say with just a description. With the Drop-N-Go coupler mechanism you should be able to attach it to the ball in the closed position and it will automatically seat around and latch onto the ball. If you haven't already, lower the jack so it puts all of the weight on the hitch ball to connect. Also, if the setup isn't level that...
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  • Replacement Brake Actuator for 2008 Jayco Jay Series 1206
    Hey Patrick! Do you have drum brakes or disc brakes? Is the actuator 3-5/8" wide or is the channel tongue on your trailer that wide? I'm guessing you have a 3" wide channel tongue which is pretty standard. Do you need a coupler for a 2" ball or 2-5/16" ball? For example, the Dexter DX7.5 Drop-N-Go Brake Actuator # 099-175-20 you were looking at is designed to fit a 2" ball, 3" tongue, and works with disc brakes. The bolt pattern probably doesn't match since it has that third bolt hole...
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  • Replacement for a Tie Down 70lc Brake Actuator
    Hey Jeremy. We do not carry the F47260K. It looks like it's a replacement Master Cylinder for Tie Down Models 66 - 70 - 80 Disc Brake actuators. Not sure if it'll work with the 70lc brake actuator. I do not have any replacement parts for a Tie Down 70lc brake actuator. The only solution I have is to replace it with the Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes item # 099-175-20. This is also a low profile hydraulic disc actuator with an electric lockout. If you have any additional...
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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Wilson B
Updated by:
Wilson B
Employee Manda E
Updated by:
Manda E
Employee Mike S
Written by:
Mike S

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