Upper HingeBennett’s A1103 Upper Hinge of the A1101 Actuator Assembly. Fluid throws through the upper hinge at the top of the actuator – thus eliminating external hoses subject to damange.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.