This master cylinder by Demco (Dethmers Mfg) is designed for Demco Actuator Models DA10, DA66B, DA86, DA91 on trailers with drum brake systems.

Product Features: 

• Fits all Demco drum brake actuators
• Mounting hardware, cap, lid, and gasket included.
• Replaces older cast iron models
• 2" x 3" mounting hole dimensions

Product Specifications:

• Applications: Demco actuators
• Brake Style: Drum

Demco Part Number: 5650