Lincoln Service Parts 1 › Lincoln Electric 9SM12390-76 TRANSFORMER ASBLY M12390-76 Lincoln Electric 9SM12390-76 TRANSFORMER ASBLY M12390-76 Sale Price: $353.65 Original Price: $406.70 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