Lincoln Service Parts 1 › Lincoln Electric 9SL18900 CASE BACK L18900 Lincoln Electric 9SL18900 CASE BACK L18900 Sale Price: $142.41 Original Price: $163.77 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