Lincoln Service Parts 1 › Lincoln Electric 9SM21347 PROXIMITY SENSOR ASBLY M21347 Lincoln Electric 9SM21347 PROXIMITY SENSOR ASBLY M21347 Sale Price: $313.55 Original Price: $360.58 PROXIMITY SENSOR ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! PROXIMITY SENSOR ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1