Lincoln Service Parts 1 › Lincoln Electric 9SM12522-2 POLARITY SWITCH ASBLY M12522-2 Lincoln Electric 9SM12522-2 POLARITY SWITCH ASBLY M12522-2 Sale Price: $433.17 Original Price: $498.14 POLARITY SWITCH ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! POLARITY SWITCH ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1