Lincoln Service Parts 1 › Lincoln Electric 9SL18138 CASE BACK L18138 Lincoln Electric 9SL18138 CASE BACK L18138 Sale Price: $203.92 Original Price: $234.51 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