Lincoln Service Parts 1 › Lincoln Electric 9SM21278-1 FUEL CAP/GAUGE M21278-1 Lincoln Electric 9SM21278-1 FUEL CAP/GAUGE M21278-1 Sale Price: $323.47 Original Price: $371.99 FUEL CAP/GAUGE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! FUEL CAP/GAUGE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1