ProductsWelding SuppliesWelding Torches & EquipmentTIG Parts & ConsumablesApproved VendorFOR 57Y02 57Y04 17,18,26 O-RING, BACK CAP {PK=10EA}Item #XWT98W18AvailableRequest InformationEmail Product LinkSpecificationsApplicationResist Splatter Build-Up, Recommended For Most Welding Operations Except For Use In Confined AreasBrandApproved VendorProductReplacement O-RingTypeO-RingUsed on Torches17, 18, 26