Lincoln Service Parts 1 › Lincoln Electric 9SM22638 CASE BACK AND BOTTOM ASBLY M22638 Lincoln Electric 9SM22638 CASE BACK AND BOTTOM ASBLY M22638 Sale Price: $111.54 Original Price: $128.27 CASE BACK AND BOTTOM ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CASE BACK AND BOTTOM ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1