Can Integrated Brake Controller of 2024 GMC Sierra 3500 Work with Hydrastar Actuator for Keystone
Updated 12/29/2025 | Published 10/14/2024
Question:
Hi, I am looking at changing my drums on my Montana 5th wheel. My question has more to do with the actuator. I tow with a 2024 GMC 3500 and have heard of some compatibility issues. Before I lay out 3 grand can you enlighten me please. Thank you
asked by: Kevin S
Expert Reply:
Hey Kevin, so this is a very valid question but the integrated brake controller of your 2024 GMC Sierra 3500 has a hydraulic mode which allows it to be compatible with EOH actuators like the Hydrastar kit part # HSE7K-T1 that you are interested in so this will work great for you. Older integrated brake controllers didn't have a hydraulic mode or they were pretty unreliable with them but nowadays the current ones are solid.
Product Page this Question was Asked From
Hydrastar Disc Brake Kit w/ Actuator for Tandem Axle Trailers - 13" Hub/Rotor - 8 on 6-1/2 - 7K
- Trailer Brakes
- Disc Brakes
- Marine Grade
- 8 on 6-1/2 Inch
- Hub and Rotor
- 1/2 Inch Studs
- 7000 lbs Axle
- 16 Inch Wheel
- 16-1/2 Inch Wheel
- Hydrastar
more information >
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Jameson C.
12/22/2025
Hey Kevin, how did the Hydrastar disc brake kit end up working with your GMC’s integrated brake controller? Your experience could point others in the right direction.