This is a replacement master cylinder for a Model 10 or 20 disc brake surge coupler manufactured by Titan / Dico. Fits all Titan / Dico model 10 or model 20 surge brake couplers. This master cylinder is designed to work with disc brakes. Its an easy bolt on installation for replacing your old worn out / blown seals master cylinder. Comes with everything pictured: the master cylinder, boot, lid, gasket, and cap. Titan part number 4747100.
In addition, your existing older Master Cylinder will have a Brass Hose Fitting screwed into the back of it. The intention is to re-use this fitting. Even though the Master Cylinder may no longer be working, in most if not all cases, this fitting is still in perfect working condition. Remove it from your Old Master Cylinder to be used on this new one, as they are not included with the purchase of a new master Cylinder. If you are needing a new fitting, go to M60/M10 Master Cylinder Brake Line Replacement Fitting for Disc Brakes to purchase the correct one.