Stove top receptacle kit for electric stove surface elements. If the heating element operates intermittently then this terminal block or the elements terminals are likely corroded and both may need to be replaced.
Surface burner element receptacle kit for electric range. If the surface element works intermittently, this receptacle's electrical contacts may be corroded.
Surface burner receptacle with wires, wire nuts, and heat-shrink tubing
Surface element terminal block and harness assembly