GENUINE 2023 PEUGEOT 308 2021- Rear Bumper Diffuser 9837184480

Part number 9837184480. 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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GENUINE 2023 PEUGEOT 308 2021- Rear Bumper Diffuser 9837184480 - part number 9837184480

The last part of this number we had in stock.

About part number 9837184480

A rear bumper diffuser forms part of the lower exterior trim at the back of the vehicle. Attached directly to the rear bumper assembly, it helps manage airflow underneath the car while protecting the lower bodywork from road debris and water spray. When it is correctly fitted and undamaged, the driver will notice a clean, complete appearance to the back of the car, with all rear trim panels sitting flush.

To ensure this is the correct part for your vehicle, you must check that the part number matches 9837184480 exactly. On exterior trim pieces like this, the manufacturer part number is usually stamped or moulded into the plastic on the inner or rear surface. Matching this exact number is what determines whether the part will fit, so you should always compare it against the number on your original component before ordering.

Diffusers are usually replaced because of cosmetic damage, cracks from low-speed reversing impacts, or broken mounting tabs caused by road debris. When replacing a rear diffuser, you often need replacement plastic trim clips, screws, or push-rivets, as the original fasteners frequently break or stretch when the old panel is unclipped.

  • Position on the vehicle: Rear.

About this kind of part: bumper trims and diffusers

A bumper trim is one of the separate strips and panels that clip or screw onto a bumper cover rather than forming part of it: a lower blade, a diffuser insert at the rear, a corner section, a splitter under the front edge, or the finisher around a fog lamp. They are usually gloss black, textured black or a bright finish, and they carry most of the model's styling, so they change between trim levels and across a facelift while the bumper cover underneath them stays the same part.

Why people replace one

  • The trim has grounded on a kerb, a ramp or a speed hump, which is what happens to anything mounted below the bumper line.
  • A clip has snapped and the trim now stands away from the bumper at one end.
  • The gloss black finish has gone grey and dull, or the bright finish has lifted, and it cannot be brought back.
  • Stone chipping along the leading edge has broken through the finish.
  • The bumper cover has been replaced and the original trim was broken getting it off.

Fitting it

  • Most clip to the bumper cover from the front and are then secured by screws or plastic nuts reached from behind or underneath.
  • The clips are usually separate parts and are worth replacing rather than reusing, because they stretch once they have been off.
  • Work along the trim from one end rather than pulling in the middle, which is where a cold strip cracks.
  • Where the trim surrounds a fog lamp or a sensor, check the aperture lines up before everything is tightened.

Making sure it is the right one

  • Match the part number on the back. These parts carry the styling, so a trim from a different version of the same model will often clip on and still look wrong.
  • Check whether yours has openings for parking sensors. A trim with no openings cannot be used on a car that has them.
  • Compare the finish as well as the shape. The same trim is made in gloss black, in textured black and in a bright finish, and each is a separate number.
  • Count the clip positions and the screw points, and compare their spacing with the part you are taking off.

What to look for in the photographs

A Part number — Moulded into the back face, usually towards one end.
B Sensor openings — Openings for parking sensors, where the trim sits across a sensor line. Their presence or absence decides whether it fits your car.
C Clips and screw points — The clip seats and threaded points along the back. Count them and look for any that are broken out.
D Lower edge — The bottom face, which grounds on kerbs and ramps. Look along it rather than at it, because this is what a straight-on photograph flatters most.
E Finish — Gloss black, textured black or a bright finish. The finish is part of what you are matching, not a detail.
F End profile — The shape where the trim meets the bumper and the arch. This is what tells one side from the other and a facelift from the version before it.

This section describes bumper trims and diffusers 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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