Master cylinder with bypass installs in your Demco actuator and wires into your tow vehicle so that your trailer brakes won't activate when you shift your vehicle into reverse. For use with Demco hydraulic surge-type disc brake actuators.
Features:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Average Customer Rating: 4.3 out of 5 stars (11 Customer Reviews)
Master cylinder with bypass installs in your Demco actuator and wires into your tow vehicle so that your trailer brakes won't activate when you shift your vehicle into reverse. For use with Demco hydraulic surge-type disc brake actuators.Looks like a quality part Fit exactly where the old one came out 800527
In less than one year the reverse solenoid went out. I saw in another review this same issue happened. My solenoid was wired directly to the vehicle ground supply and is getting 14.3 volts. 786867
The initial product had a problem with the solenoid after about 6 months after installation. The solenoid did not respond to the 12V reverse signal. Although customer service could not replace the total unit, they were able to have the vendor send a replacement solenoid at their expense. The solenoid showed up later than promised, however, it did respond to the 12V signal. The unit now works. I now see that the solenoid can now be purchased individually. Thanks for the opportunity to share this review and I appreciate customer service helping to resolve this issue. 733541
Your company did what it said it would, in a very timely time..The lights were as I needed, would buy from you again.. The brake cylinder also fits my trailer and the price was right. 715316
Still working great after 1 year ! 660531
Master cylinder fit perfectly. Great customer service. Thanks. 606616
the solenoid failed I need to replace a gain. 580581
Mike L - 11/07/2018Needed a new master cylinder for my boat trailer. They had it in stock and shipping was fast. Will definitely use ETRALIER in the future. 543586
This product will help when backing up the trailer. Replaced original perfectly. 482569
Excellent Product and price,fit perfect,thanks for your speedy service. 350678
JohnK - 03/11/2018Part fit perfect!!!!! 295899
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