Lincoln Service Parts 1 › Lincoln Electric 9SG8839-7 CASE BACK G8839-7 Lincoln Electric 9SG8839-7 CASE BACK G8839-7 Sale Price: $528.30 Original Price: $607.55 CASE BACK PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CASE BACK PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1