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Surge Brake Actuator to Replace Atwood 82543  

Question:

I need help in ing a brake actuator to replace a Atwood 82543. The one I have now is zinc plated eventhough the number on it says elsewhere online it should be painted black. Its on a 1991 single axil EZ Loader trailer . What do you have that would replace it.

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Expert Reply:

The closest option we have to replace your Atwood 82543 actuator is part # DM72VR. However, it doesn't have the lockout like your Atwood does. To add a lockout use # T4748800 but it's an electric lockout unlike the Atwood's manual lockout. It wires into the reverse light circuit on your truck through the trailer connector.

I've attached videos of both actuators for you to take a look at.

expert reply by:
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Charles S

James

4/11/2020

Hello. Was hoping to get some help with diagnosing some issues with my surge break. I’ve noticed a loud clunk when accelerating and breaking when pulling the trailer and am seeing break fluid spry on the trailer and seeping out around the cap when stopped.I noticed the similar question above and your team stated you might need to replace the actuator. I’ve since looked for a replacement and noticed you can’t find Atwood parts anymore since they’ve gone out of business. Any direction would be much appreciated. I have pictures I can send if it would help. Thank you

Etrailer Expert

Chris R.

4/13/2020

We can definitely get you set up with a new actuator. Do you know what specific Atwood model is on your trailer?

James

4/13/2020

I believe it is p/n 85778

Etrailer Expert

Chris R.

4/14/2020

I couldn't find too much info on the Atwood 85778, but from what I could gather it looks like it was a 2" coupler and was rated for 6,000 pounds. The Demco # DM8605101 features really similar specs and should work great as a replacement.

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