Lincoln Service Parts 1 › Lincoln Electric 9SL18556-1 CONTROL BOARD L18556-1 Lincoln Electric 9SL18556-1 CONTROL BOARD L18556-1 Sale Price: $166.23 Original Price: $191.17 CONTROL BOARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CONTROL BOARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1