What is the Correct Replacement Wheel Cylinder for Dexter Hydraulic Brakes

Question

Question:

What uni servo replacement part fits on a Dexter Surge assembly.The only numbers i see on the drum our 8-147 and 8 CFD .There on a model 217 Winnebago Travel trailer .The drum looks to be 11inch wide. Thanks..

asked by: Tim

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Expert Reply:

The correct replacement wheel cylinder for your hydraulic trailer brake assemblies is determined by the brand and size of brake assembly that is on your trailer. The Titan Uni-Servo Wheel Cylinder, item # T0977700, that you referenced will fit Titan brake assemblies with 10, 12 and 13 inch diameter hydraulic brakes. The wheel cylinder will not have a part number on it.

Your Dexter brake assemblies are most likely either 10 or 12 inch diameter hydraulic brakes. You can verify this by measuring the inside diameter of your drum. I have attached a photo showing where to measure. If you have 10 or 12 inch Dexter brakes, then you will want the Redline Wheel Cylinder, item # BP17-030 (left) and # BP17-020 (right), as replacement wheel cylinders.

If you feel that you may need to replace other parts in the near future, then you may want to look into replacing the entire brake assembly. A replacement brake assembly is typically cheaper than purchasing all replacement parts individually and this way you have all new parts, eliminating the possibility of other parts going bad in the near future. The bolt pattern of your existing backing plate, axle capacity and brake diameter and width will be needed to determine the correct brake assembly.

We have a video showing how to remove and install hydraulic brake assemblies for you to review. This video also shows how to bleed and adjust the brakes once the installation is complete. I have also attached a link to all of our Dexter hydraulic brake assemblies for you to check out.

expert reply by: John H

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Answer 1

Yes. The Hydraulic Trailer Brake Kit - Uni-Servo - Dacromet - 10" - Left/Right Hand Assemblies - 3.5K #AKUBRK-35-D are compatible with the Dexter Trailer Hub and Drum for 3,500-lb Axles - 10" Diameter - 5 on 4-1/2 - Galvanized…

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Answer 2

I have some measurements of Uni-Servo Wheel Cylinder for 10", 12" and 13" Titan Brake Assemblies - Zinc - LH Item #T0977700 for you. The plunger inside has a 1.12 inch outer diameter. The rubber parts fit over a 1.5 inch…

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Answer 3

I have attached a video for you to help you bleed the surge brakes and also given an explanation below. You want to top off the master cylinder and pump the fluid from the master cylinder. You can do this by unbolting the plate that holds the lever…

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Answer 4

From what I could find it looks like your 122R (red) and 122Y (amber) lights measure 3.75" x 1.70" x .81". We don't have any replacement lense directly for the GLO-BRITE lights but we do have some similar lights…

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Answer 5

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Answer 6

The 40 amp fuse for your 2006 Chevrolet Silverado tow package is used for the 12 volt battery charge circuit. This fuse is located toward the front of the underhood fuse box closest to the front auxiliary positive post (see photo). There may be a…

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Answer 7

On a 2005 Chevy Silverado 1500, If you are facing the front of the truck looking at the power distribution box, there will be a post at the back left side and a fuse slot near it. It is that fuse slot that you will install a 30 amp fuse. I have…

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Answer 8

For your enclosed trailer application I have several suggestions for adding interior lighting that you can control directly via a switch. Since your current 4-pole trailer wiring does NOT include a 12V auxiliary power feed that could power inside…

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Answer 9

The number you provided, "7753400" is a patent number which corelates to the Equalizer for E-Z Flex Suspension part #013-144-03. This is for a single equalizer but if you need the entire kit it's the Dexter E-Z Flex Suspension Kit part…

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Answer 10

The only way you could power interior dome lights on a trailer without it being connected to a tow vehicle would be to power the lights with a battery like a breakaway battery. How you choose to wire up the batteries will in the end be up to you, but…

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Answer 11

The correct replacement master cylinder kit we have for your Demco setup is the part #DM5918 which comes with the lock out replacement.

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Answer 12

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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What is the Correct Replacement Wheel Cylinder for Dexter Hydraulic Brakes

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