Lincoln Service Parts 1 › Lincoln Electric 9SG11291-1 40V AUXILIARY BOARD G11291-1 Lincoln Electric 9SG11291-1 40V AUXILIARY BOARD G11291-1 Sale Price: $1,741.02 Original Price: $2,002.17 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