Lincoln Service Parts 1 › Lincoln Electric 9SG4543-1 TRANSFORMER & CHOKE WELDED ASBLY G4543-1 Lincoln Electric 9SG4543-1 TRANSFORMER & CHOKE WELDED ASBLY G4543-1 Sale Price: $3,618.40 Original Price: $4,161.16 TRANSFORMER & CHOKE WELDED ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! TRANSFORMER & CHOKE WELDED ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1