Lincoln Service Parts 1 › Lincoln Electric 9SM21143-13 LEFT CASE SIDE ASBLY M21143-13 Lincoln Electric 9SM21143-13 LEFT CASE SIDE ASBLY M21143-13 Sale Price: $553.14 Original Price: $636.11 LEFT CASE SIDE ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! LEFT CASE SIDE ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1