Lincoln Service Parts 1 › Lincoln Electric 9SM21143-9 LOUVER COVER ASBLY M21143-9 Lincoln Electric 9SM21143-9 LOUVER COVER ASBLY M21143-9 Sale Price: $749.28 Original Price: $861.67 LOUVER COVER ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! LOUVER COVER ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1