Parts list: № Number Qty Name Options 1 AH108742 1 Control (SUB AH111485) 1 AH111485 1 CONTROL Next page: ST518267 AUTOMATIC HEADER HEIGHT CONTROL SWITCH ( - 502550) ST518269 DIAL-A-MATIC HEADER HEIGHT CONTROL SWITCH (502551 - ) ST518270 Dial-A-Matic Header Height Control Conversion (Combines Already Equipped With Automatic Header Height Control) (353901 - 502550) ST518265 DIAL-A-MATIC HEADER HEIGHT CONTROL ELECTRICAL HARNESS AND CONTROL LINKAGE (502551 - ) ST518264 Automatic Header Height Control Electrical Harness and Control Linkage ( - 502550) ST518263 Kit, Drop Rate Valve (Automatic Header Height Control and Dial-A-Matic Header Height Control) ST518261 Hydraulic Oil Line, Drop Rate Valve, and Full Flow Plug (Automatic Header Height Control and Dial-A-Matic Header Height Control) ST518260 Kit, Main Valve Block Solenoid Automatic Header Height Control And Dial-A-Matic Header Height Control)