Audi TT Coupe MK3 14-18 Fuel Filler Flap 8S0809857E

Part number 8S0809857E. We take parts off vehicles every week, and this page is updated with a link straight to the part as soon as another one arrives.

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About part number 8S0809857E

A fuel filler flap is an exterior body panel component that covers and protects the fuel cap and filler neck on the side of the vehicle. Connected to the rear wing bodywork, it creates a smooth surface with the outer panels and keeps dirt, road spray, and water away from the fuel cap area. When it is working correctly, the flap opens smoothly when released and latches securely flush against the body of the car.

To ensure this is the correct item for your vehicle, you must check that your original part has the exact part number 8S0809857E. The part number is usually stamped or moulded into the plastic on the reverse side of the flap or along the mounting hinge assembly. Matching this number is the only way to guarantee correct fitment.

People usually replace this part after damage from collisions, vandalism, broken hinges, or snapped release latches. When replacing a fuel filler flap, a technician often needs the mounting bracket, hinge assembly, or the remote release cable and mechanism to complete the job.

About this kind of part: fuel filler flaps

A fuel filler flap is the small painted door over the filler neck, with its hinge and usually a spring or a damper behind it. On an electric or a hybrid car the same part covers the charging socket and is often larger and electrically released. It is painted to match the body, which is why it is replaced far more often than it fails: the flap sits where people lean, and it is one of the few painted parts a careless hand touches every week.

Why people replace one

  • The flap has been creased or dented, usually by being pushed shut against the filler cap or by a knock at a pump.
  • The hinge has broken or the spring has failed, so the flap no longer stays shut or no longer stays open.
  • The paint has faded or the lacquer has lifted, which shows badly because the flap sits in the middle of a large flat panel.
  • The release mechanism or the electric actuator has failed and the flap no longer opens from inside the car.
  • A rear quarter panel has been repaired and the original flap was damaged in the process.

Fitting it

  • Most flaps unbolt from the hinge inside the filler recess, sometimes with the hinge as one assembly and sometimes as a separate part.
  • On a car with an electric release, the actuator and its loom stay with the car and the flap comes off on its own.
  • The seal or the foam around the recess is worth checking at the same time, because it is what stops water collecting in the bottom of it.
  • A flap is supplied in primer or in the colour it was sprayed when new, and a matching finish needs the paint code from the car's own identification plate.

Making sure it is the right one

  • Match the part number. A petrol or diesel flap and a charging flap for the same model are different parts, and so are the versions before and after a facelift.
  • Check whether yours comes with the hinge. Some models sell the flap alone and some sell it as an assembly, and the hinge is often the part that broke.
  • Compare the curvature against your own panel. A flap is pressed to the shape of one body line and will not sit flush in another.
  • Treat a painted used flap as a starting point for colour rather than a match, because it has aged with the car it came off.

What to look for in the photographs

A Part number — Stamped or on a label on the inner face, often under the hinge.
B Hinge — Whether the hinge is included and whether it is straight. A bent hinge is why most flaps no longer sit flush.
C Spring or damper — The mechanism that holds the flap open or shut. It is often what has failed, and it is sometimes a separate part.
D Inner face — The back of the flap, where water sits and where corrosion starts on a steel one.
E Outer surface — Look across the face at a shallow angle. A crease or a dent in a flat panel this small is invisible in a straight-on photograph.

This section describes fuel filler flaps parts in general. The numbers and the photographs above are this part.

Free next-day delivery in the United Kingdom Sent with DPD on a tracked, next-day service. Most mainland addresses are next day; the Highlands and Islands, Northern Ireland, the Channel Islands and the Isle of Man can take a day longer.

Returns Thirty days to change your mind, and we pay the return postage in the United Kingdom and Germany.

Trade and VAT C.E.J Haime Group Limited is VAT registered in England and Wales, and every order comes with a full VAT invoice.

Not sure it is the right part? Send us your registration or VIN and we will check this part number against your own vehicle before you buy.

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