At a Glance
- >Replacement master cylinder assembly
- >Fits Titan Model 6 surge brake actuators
- >Designed for drum brake systems
- >Self-tapping bolt option available (sold separately)
- >Master cylinder
- Brand: Waymire
- SKU: 1777401
Match the part number, measurements and connection points that apply to your trailer.
| Connector | Match the connector and circuit count. |
|---|---|
| Function | Verify circuits rather than wire color alone. |
| Voltage | Confirm system voltage. |

Replacement master cylinder assembly designed for Titan Model 6 brake actuators.Compatible with drum brake systems only.
Surge brake actuators use a hydraulic master cylinder to apply braking force when the trailer compresses the actuator during deceleration. Proper master cylinder function is critical for maintaining safe trailer braking performance.
| Specification | Detail |
| Compatible Actuator | Titan Model 6 |
| Brake Type | Drum Brake Systems |
| Orifice Connector Opening | 0.015" |
| Optional Bolt | 5/16" x 1/2" Self-Tapping Hex Bolt (T1781500) |
Verify actuator model and brake type before installation.

Selected from R&P customer feedback for Trailer Electrical products and related trailer service.
“I've ordered lots of trailer repair parts from them, always fast service, well packed, and the right parts. I highly recommend.”
“Great customer service, working for many years with them!”
“Would like to say thanks to everyone at R and P Carriages parts were delivered fast and with the very helpful staff, the right parts were sent the first time. Thanks Happy Holiday's.”
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