Titan/Dico Model 10/20 Drum Brake Master Cylinder #2374400

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Titan/Dico Replacement Drum Brake Master Cylinder for Model 10 or 20 Hydraulic Brake Actuators #2374400

This cast iron replacement hydraulic drum brake master cylinder is designed for use with the Titan Model 10 or Model 20 Hydraulic Brake Actuators.  Master Cylinder #2374400 includes master cylinder actuator filler cap #1250300 and push rod with a boot. 

The 2374400 master cylinders have a 1/8” NPT female thread for the orifice connector and should be equipped as follows:

1 – 1209800 orifice connector with male 1/8” NPT going into the master cylinder, a female 3/8” 24 UNF thread with an inverted seat for the brake line (not included).

  • Master Cylinder comes complete with Filler cap and Push Rod with boot
  • For use with hydraulic drum brakes
  • 1/8” NPT female thread for the orifice connector
  • #19 in Model 10 schematic and #14 in Model 20

2374400 Master Cylinder for Drum Brakes, fits Model 10 and Model 20 Brake actuator couplers

Customer Reviews

Based on 11 reviews
Greg R. (Columbus, US)
Perfect Application

Fits like the original one

Brian L. (Portland, US)
perfect fit

worked perfectly to restore my surge brake system.

Ken M. (Tacoma, US)

works as designed!


Everything is perfect

Scott S. (Sheldon, US)

Good quality and just what I ordered.

Lucas P. (Youngstown, US)
Perfect replacement, direct fit

Absolutely satisfied with Pacific Trailers, their product and service. Thank you!

SANDRA A. (Albuquerque, US)

The master cylinder works according to the application. Thank you for your help and for the quickness in getting this product to us.

stephen b. (Castaic, US)
master cylinder/ brake lines

1.happy with products however make sure you offer orifice with master because earlier ones are larger 3/8 pipe instead of 1/4" pipe . I did ask and left with the proper one.
2.the brake lines should come with adapters for each line in both 45 degree and 90 degree. I had to go through a lot of work to make them not rub , a 45 would have help me, I did not need the 90 degree fitting which I did not take with me.
3.backing plate one of the units had a frozen adjuster wheel . I had to disassemble the brake and use a vice to free it up (corrosion in the treads) OVER ALL HAPPY WITH YOU I WILL USE YOU FOR ALL FUTURE TRAILER NEED YOU ARE VERY NICE PEOPLE TO DO BUSSINESS WITH! THANK YOU STEPHEN BROOKS

Michael P. (Marion, US)
Fit was perfect.

Finding the right part was very easy.

Robert A. (Mesa, US)
Good fit and finish

Seems to be identical to the original one from 30 years ago! Fit was a little snug but did not require any modification.