Titan/Dico Actuator Filler Cap for Model 10 and 20 and Ultra 70 Hydraulic Brake Actuators #4830600
Replacement Plastic Actuator filler cap screws into the top of the Model 10 and Model 20 Brake Actuator Master Cylinders. Will also work with the Ultra 70 actuator. Picture below shows older style cap.
4830600 Titan Dico Model 10 and 20 Master Cylinder Filler Cap