Lincoln Service Parts 2 › Lincoln Electric 9SS26374-114 INTERNAL VALVE O-RING KIT S26374-114 Lincoln Electric 9SS26374-114 INTERNAL VALVE O-RING KIT S26374-114 Sale Price: $29.57 Original Price: $34.01 INTERNAL VALVE O-RING KIT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! INTERNAL VALVE O-RING KIT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1