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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.
Features:
Specs:
When you apply the brakes in your tow vehicle, deceleration occurs and momentum pushes your trailer toward the rear of your vehicle. With surge brake systems, the actuator is triggered as your trailer moves forward while the tow vehicle slows. The actuator telescopes, applying force to its master cylinder, which in turn supplies the necessary hydraulic pressure to engage the trailer's brakes.
Customer Satisfaction Score:
95% were satisfied with this product
5% of customers were not satisfied
Ratings & Reviews
Actuator is quality product. I was replacing a Tie Down 70E actuator that was 10 years old ( master cylinder and backup solenoid failed due to rust sediment buildup ?)
Be aware that the actuator does not come with mounting hardware so save yours from old unit
, also does not come with instructions-download from web.
The only noticeable difference between the newer and the old unit was the backup sensitivity.
The old unit needed the solenoid energized with just the trailer -the new unit didn’t need the solenoid energized with trailer and boat unless you were going up an incline(even with adjustment of the bolts joining the two pieces)
Overall very satisfied-as a side note both Tie Down and Titan were bought by Dexter Axle
This an almost perfect replacement for the original. I had to reroute the brake fluid line to met trailer line. Just got back from the lake a trip that had lots of mountains and we were impressed with how smoothly it worked.
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.
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.
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!
All components to refresh this NorthRiver Seahawk trailer are EXCELLENT !! Thank you guys and everything went together so easily !!
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.
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.
I want to thank Tyler.B for the great customer service.

Brooke M.
5/13/2025
I have already passed your review along to him, James! It'll make his day! :)
Knowledgeable people and fast shipping. Thank you!
Excellent customer service and follow-up arrived as described in perfect condition
Item I needed was carried and in stock; shipment was very quick to arrive. Now I can get my trailer brakes working again!
Outstanding replacement! Much better than OEM!

Ryan
7/1/2025
Performing flawlessly
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
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.
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.
Order was as advertised! The order process was quick, easy and the product arrived on time.
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.
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!!
Perfect fit great quality, fast shipping!! Thanks again Beach Trailer Sales
Quick shipping
This does not work with a Nitro boat trailer. I'll be sending it back.
Great replacement for my old TDE Model 70E.
The bolts holes matched perfectly.
Fast shipping and great order tracking.
Upgrading an older trailer from drum to disk was a challenge. You can't skimp on piecemeal ordering. Etrailer really stands behind their product. I have ordered from online auto parts dealers and never found the quality of service as etrailer. A shout-out to Joshua.
Excellent product. Dropped right in (replacement), easy install and connections (hydraulic and electrical). I reuse the rear cover from the old unit (painted up) to cover the brake line and electrical wire. The unit comes with a "flat" end panel exposing the brake line and wire.
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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?