Lincoln Service Parts 1 › Lincoln Electric 9SM12390-49 TRANSFORMER ASBLY M12390-49 Lincoln Electric 9SM12390-49 TRANSFORMER ASBLY M12390-49 Sale Price: $404.06 Original Price: $464.67 TRANSFORMER ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! TRANSFORMER ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1