Lincoln Service Parts 1 › Lincoln Electric 9SM21143-7 DOOR AND FOAM ASBLY M21143-7 Lincoln Electric 9SM21143-7 DOOR AND FOAM ASBLY M21143-7 Sale Price: $1,575.94 Original Price: $1,812.33 DOOR AND FOAM ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! DOOR AND FOAM ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1