Lincoln Service Parts 1 › Lincoln Electric 9SG4389-2 ELECTRICAL CONTROL BOX G4389-2 Lincoln Electric 9SG4389-2 ELECTRICAL CONTROL BOX G4389-2 Sale Price: $123.53 Original Price: $142.06 ELECTRICAL CONTROL BOX PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! ELECTRICAL CONTROL BOX PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1