Lincoln Service Parts 1 › Lincoln Electric 9SG9059-1 40V AUXILIARY BOARD G9059-1 Lincoln Electric 9SG9059-1 40V AUXILIARY BOARD G9059-1 Sale Price: $1,391.56 Original Price: $1,600.29 40V AUXILIARY BOARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! 40V AUXILIARY BOARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1