Lincoln Service Parts 1 › Lincoln Electric 9SM12390-58 TRANSFORMER ASBLY M12390-58 Lincoln Electric 9SM12390-58 TRANSFORMER ASBLY M12390-58 Sale Price: $710.53 Original Price: $817.11 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