Lincoln Service Parts 1 › Lincoln Electric 9SM18183-3 PRESSURE ARM M18183-3 Lincoln Electric 9SM18183-3 PRESSURE ARM M18183-3 Sale Price: $30.94 Original Price: $35.58 PRESSURE ARM PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! PRESSURE ARM PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1