Fuel Tank Gas Cap Seal & Retainer Assembly. See #9 in second illustration. FITS 1980-1987 XJ6 qty 2 req'd & 1989-1996 XJS Cabriolet & Convertible, qty 1 req'd. This is the rubber seal/disk that seals the fuel tank filler neck when the cap is closed. It`s riveted underneath the chrome flip-up fuel filler cap. (AEU4174)
