Lincoln Service Parts 1 › Lincoln Electric 9SL6603 UPPER CASE BACK L6603 Lincoln Electric 9SL6603 UPPER CASE BACK L6603 Sale Price: $411.27 Original Price: $472.96 UPPER CASE BACK PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! UPPER CASE BACK PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1