BS-04 Hydraulic Engine Control Reservoir – Replaces R-04
The BS04 hydraulic engine control reservoir replaces the Hynautic R04 control reservoir in hydraulic engine control systems.
This new replacement reservoir maintains extra hydraulic fluid and a constant pressure head for the control system. It is used in Hynautic engine control applications where fluid flow to and from the reservoir is regulated below the tank by the charging valve, helping the system stay pressurized as temperatures and fluid volume change.
Replaces Hynautic R-04 80 PSI pressure head Pressure tested 1 year warranty
