Demco Hydraulic Surge Actuator for Disc Brakes 7000lb Capacity with Electric Lockout Solenoid 2" Ball If the Oil Level is

If the Oil Level is low

will outlast black rubber or pvc

Application: trailers with a frame height from 2" to 5" Trailer frame width must be no greater than 3"

For 3500lb 5 Lug threaded Vortex Hubs Fits Dexter and Tie Down Vortex Hub Dust Cap for 5 Lug Hub

(1) 62-L44649 BEARING

Demco Hydraulic Surge Actuator for Disc Brakes 7000lb Capacity with Electric Lockout Solenoid 2" Ball If the Oil Level isThis Demco Model DA70 Surge Brake Actuator for disc brakes has a 7,000lb towing capacity, as well as a maximum tongue load of 700 lbs, and it secures to your Tow Vehicle's 2 inch towing ball. This model includes the electric lockout solenoid, designed and required for use with hydraulic surge disc brakes on your boat or PWC Trailer. This model is ideal for single axle and tandem axle 5 lug boat trailers, as well as single axle 6 lug trailers. Demco