Lincoln Service Parts 1 › Lincoln Electric 9SM12390-72 TRANSFORMER ASBLY M12390-72 Lincoln Electric 9SM12390-72 TRANSFORMER ASBLY M12390-72 Sale Price: $175.27 Original Price: $201.56 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