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Use this actuator to synchronize your trailer brakes with your tow-vehicle brakes. Over-center latch mechanism only engages when the actuator is fully seated on 2" hitch ball. Designed for hydraulic disc brakes and 3x3 or 3x4 straight tongue.
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.
California residents: click here
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
Great service getting the rite parts
Fits well and works as it should
Perfect replacement for the same item that wore our after 12 years of use. Simple install. Remove the old actuator - unhook the brake line (which I was afraid would leak, but doesn't,) unhook the blue wire from the solenoid, pull the two pins, and pull it out. Reverse the process to install the new one.
Only question was, where does the white wire on the new unit go? Old unit did not have a white wire. Answer is that it's a ground, so just find a ground and hook it up.
Of course, you must now bleed the air out of the lines, but anyone who is tackling this job themselves has probably bled brakes before.
PS. I bought this unit, which comes with the primed steel outside piece, because it was cheaper than buying the internal unit by itself.
Bought this for my 1995 Mastercraft Boat trailer. Works great, wasn't worth rebuilding the 30 year old unit. The solenoid to disable the brakes when backing up is awesome!
Just what I wanted. I am building a custom trailer for my vintage boat. I have used these actuators in past projects. etrailer has great pricing and fast delivery every time.
It was exactly what I needed for my MASTERCRAFT boat trailer. I pulled the old one out and slid the new one in. Very easy to do
Nice product
I have not got it on the trailer yet can't wait to use it it looks awesome hope it works as good as it looks
Ashley was great to work with promptly processed the order and received it in 2 days great service
Part received fast and already installed. Works great
Easy to install and a perfect fit.
Info for this part was:
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Brooke M.
6/24/2025
Glad to hear that, Ryan :) Do you get to go out on the water very often for any wakeboarding?