6620 - COMBINE 160 HEADER HEIGHT CONTROL Parts group 160 HEADER HEIGHT CONTROL 160 HEADER HEIGHT CONTROL Control Valve (Automatic Header Height Control and AG Kit, Check Block (Automatic Header Height Control AG Main Valve Block Solenoid (Automatic Header Height AG Kit, Main Valve Block Solenoid Automatic Header He AG Hydraulic Oil Line, Drop Rate Valve, and Full Flow AG Kit, Drop Rate Valve (Automatic Header Height Cont AG Automatic Header Height Control Electrical Harness AG DIAL-A-MATIC HEADER HEIGHT CONTROL ELECTRICAL HARN AG Amplifier (Dial-A-Matic Header Height Control) (5 AG AUTOMATIC HEADER HEIGHT CONTROL SWITCH ( - 502550 AG DIAL-A-MATIC HEADER HEIGHT CONTROL SWITCH (502551 AG Dial-A-Matic Header Height Control Conversion (Com AG sale parts diagram catalog online construction equipment excavator tractor