Lincoln Service Parts 1 › Lincoln Electric 9SM20176 TOP SHIELD ASBLY M20176 Lincoln Electric 9SM20176 TOP SHIELD ASBLY M20176 Sale Price: $131.38 Original Price: $151.09 TOP SHIELD ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! TOP SHIELD ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1