Lincoln Service Parts 1 › Lincoln Electric 9SM26504 BACK PLATE, BOX ASBLY M26504 Lincoln Electric 9SM26504 BACK PLATE, BOX ASBLY M26504 Sale Price: $52.02 Original Price: $59.82 BACK PLATE, BOX ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! BACK PLATE, BOX ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1