1. Accessories and Parts
  2. Demco
  3. Brake Actuator
  4. Master Cylinder Parts
  5. Master Cylinder
  6. Disc Brakes
Replacement Master Cylinder for Demco Actuators - Disc Brakes

Replacement Master Cylinder for Demco Actuators - Disc Brakes

Item # 5672
lowest price pledge
Our Price: $52.04
You Save: 14%
Accessories and Parts
Orders above $99 qualify for Free Shipping
Shipping Weight: 1.15 lbs
In Stock
Demco Brake Actuator - 5672
zoom in icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

Call 800-298-8924 to order Demco accessories and parts part number 5672 or order online at etrailer.com. Free expert support on all Demco products. Guaranteed Lowest Price and Fastest Shipping for Replacement Master Cylinder for Demco Actuators - Disc Brakes. Accessories and Parts reviews from real customers.
  • All Info
  • Reviews (7)
  • Q & A (5)
  • Photos
  • Why etrailer?

Demco Accessories and Parts - 5672

  • Brake Actuator
  • Master Cylinder Parts
  • Demco
  • Master Cylinder
  • Disc Brakes


  • Fits Demco actuating couplers for disc brakes only
  • Bolt holes dimensions: 2" x 3"
  • Overall dimensions: 2-3/4" x 4"

5672 Demco Replacement Master Cylinder - Disc Brakes

Customer Reviews

Replacement Master Cylinder for Demco Actuators - Disc Brakes - 5672

Average Customer Rating:  4.7 out of 5 stars   (7 Customer Reviews)

- 5672

Great service, Will buy from again. Fast delivery. 518531

- 5672

Ships super fast! Great product. 456178

- 5672

This replacement master cylinder was the exact fit. Just what I was looking for. 410709

- 5672

Came with everything needed, fit as original and restored braking. 344827

- 5672

Good Product. Was back ordered but they kept me informed and up to date via email. ETrailer is a great company to do business with. 237019

- 5672

Fast shipping and correct product for the job great communication. 210378

- 5672

I received my master cylinder in just a few days. This was a direct replacement and it all fit. I did watch a few of your videos and they were very helpful. Robert 137292


Ask the Experts about this Demco Accessories and Parts

  • Can Demco Replacement Master Cylinder for Hydraulic Disc Brakes be Used with Drum Brakes
    Hydraulic drum brakes operate at around 1,000 psi where disc brakes are higher at about 1,500 psi. So the maser cylinder for disc brakes, part # 5672, is not the same as what you need. Instead you need the master cylinder for drum brakes, part # 5650.
    view full answer...
  • Will the Demco Brake Actuator # DM8202022 Work with Disc Brakes on a Boat Trailer
    The Demco Channel Only Trailer Actuator, part # DM8202022, was designed to be used with drum brake applications only. You could use this actuator with disc brakes, but you would have to replace the master cylinder in the actuator with the Demco disc brake master cylinder, part # 5672. To save yourself some time, work and money, I would recommend going with the Titan Adjustable-Channel Brake Actuator. Titan offers a bolt-on and weld-on version of this actuator. For the bolt-on actuator,...
    view full answer...
  • Are There Replacement Master Cylinders Available for Brake Actuators
    Yes, there are replacement master cylinders for surge brake actuators like the Demco Actuator part # DM8203102 that you referenced. If this was the actuator that you have you would want the Replacement Master Cylinder # 5672. If you have a different actuator I attached a page that has all of the replacement master cylinders we offer.
    view full answer...
  • Can Surge Coupler/Actuators Be Converted from Drum to Disc Brake Operation
    Surge couplers for drum and disk brakes use different master cylinders that operate at different pressures, lower for drums and higher for discs. It is possible to swap out the master cylinder in a surge coupler to convert it from one type of operation to the other. Depending on the number of brake assemblies, trailer length, etc, larger brake lines are sometimes also called for with disc systems. It sounds like you have free-backing drum brakes like # 40715 on the trailer now, which...
    view full answer...
  • Replacement Brake Actuating Coupler for Upgrade to Disc Brakes
    The bolt hole dimensions of the Demco Brake Actuator # DM8669112 are 12-1/2 inches on center and 3 inches on center. I've attached a photo to assist. The Titan # T4747220 has mounting holes that are 3 inch on center so 2 of the 3 holes will align with your current coupler. Instead of changing out your entire coupler, you may want to simply change out your master cylinder on your Demco Actuator using the Replacement Master Cylinder for Demco Actuators - Disc Brakes # 5672. This...
    view full answer...

Do you have a question about this Accessories and Part?

  • Why etrailer.com?

    At etrailer.com we guarantee:
  • Highest quality accessories and parts for the best price.

    Our Lowest Price Pledge ensures you will never overpay for the parts you need.
  • Real product know-how.

    We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Get real advice from a real person who has the knowledge and expertise needed to solve your problem.
  • Most detailed, accurate accessories and part information available.

    Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.
  • Installations, made easy.

    We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions.
  • Fast shipping.

    Your order is automatically routed to get out of our warehouse and to your door as quickly as possible. Receive free shipping on orders over $99.
  • Personalized service for life.

    We provide one-on-one, personalized service from the ordering process through the life of your product.
  • Trusted since 1946.

    We've been serving customers since our parts store first opened in 1946 and continue to be recognized by our customers, our vendors and third parties for exceptional service.
  • Returns Policy

    Need to return an item? No problem. Please read our Returns Policy for more information.

Info for this part was:

Written by:
Lindsey S
Edited By:
Leah B

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.

Product Experts Available Now!
Call 800-298-8924