Lincoln Service Parts 1 › Lincoln Electric 9SM12390-41 TRANSFORMER ASBLY M12390-41 Lincoln Electric 9SM12390-41 TRANSFORMER ASBLY M12390-41 Sale Price: $488.37 Original Price: $561.62 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