GM245 Fuel Injector Seals Tool interchanges with part number EN-49245, EN-51105, 18683AA000, 18683A both in function and performance. GM245 Fuel Injector Seals Tool EN-49248 injector rail assembly remover tool 6706 is used to evenly loosen the seat rings of all injectors and remove the direct injection fuel rail without damaging other parts.