The 05680X Master Cylinder Kit is a complete replacement assembly designed for use in hydraulic surge brake actuators. This kit restores full braking performance by replacing the internal master cylinder components that deliver fluid pressure to the trailer's braking system. Ideal for routine maintenance or actuator rebuilds. 

Features:

• Complete master cylinder replacement kit
• Restores proper hydraulic pressure to trailer brakes
• Includes cylinder, internal seals, and mounting hardware
• Durable construction for reliable performance
• Direct fit for compatible surge brake actuator models

Specifications:

• Part Number: 05680X
• Type: Hydraulic master cylinder kit
• Material: Cast or forged steel housing, rubber seals
• Includes: Master cylinder, piston, return spring, seals, hardware
• Application: Hydraulic surge brake actuators
• Brake Type: Drum or Disc

Fitment:

• Fits select Demco or compatible surge brake actuator assemblies
• Designed for hydraulic trailer braking systems
• Common in utility, boat, and equipment trailers with surge brake setups
• Check actuator model for exact fitment confirmation