Genuine Mercedes-Benz Vito Viano 447 Cover Tow Eye Hook A4478850323

Part number A4478850323. 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 A4478850323

A towing eye cover is a small bodywork trim panel that clips into the front or rear bumper. It hides the threaded mounting point where an emergency towing eye screws into the vehicle chassis. When this part is fitted correctly, it sits flush with the surrounding bumper surface to protect the towing socket from dirt and keep the exterior trim looking complete.

To confirm that this part is correct for your vehicle, you must check that your original part displays the manufacturer part number A4478850323. On a trim piece like this, the part number is usually stamped or moulded into the plastic on the back surface. Matching this exact part number is the only way to ensure the cover will fit the shape and clips of your bumper.

People usually replace this cover because it has been knocked off, lost, or damaged while the vehicle was being towed. When fitting a replacement cover, you may also need bodywork paint to match the part to the colour of your bumper, along with standard plastic trim tools to push the mounting clips safely into place.

About this kind of part: tow eye covers

A tow eye cover is the small painted flap or cap that hides the threaded towing point in a bumper. It is the smallest painted part on the outside of a car and the most frequently lost, because it is held by one or two plastic tabs and a short tether, and because it is removed only in the kind of situation where nobody is looking after small parts. It is painted to match the car, so a replacement either arrives in the correct colour already or needs spraying.

Why people replace one

  • The cover has been lost after a recovery or a tow, which is what almost all of them are replaced for.
  • A tab has snapped and the cover no longer clips flat, so it rattles or falls out at speed.
  • The tether has broken and the cover was dropped and not found.
  • A jet wash has lifted an unclipped cover out of the bumper.
  • The paint no longer matches because the cover is a different age from the bumper around it.

Fitting it

  • It pushes in from the outside until the tabs engage, and it comes out by pressing one edge in and easing the other out.
  • Where there is a tether, it hooks to a lug moulded inside the bumper opening before the cover is pushed home.
  • Fit it cold-side-out and press on the edges rather than the middle, which is where a stiff cover cracks.
  • A cover supplied in primer needs the paint code from the car's own identification plate to match the bumper.

Making sure it is the right one

  • Match the part number. The front cover and the rear cover of the same car are different parts, and so are the covers of different trim levels on one model.
  • Compare the shape of the opening, not just the size. A cover is contoured to the curve of the bumper it sits in and will not sit flat in a different one.
  • Check the tab pattern and whether yours has a tether lug. These change between a facelift and the version before it.
  • If the cover is supplied painted, treat the colour as a starting point rather than a match, because a used painted part has aged with its own car.

What to look for in the photographs

A Part number — Moulded into the inside face. On a part this small it is often the only way to tell two covers apart.
B Tabs — The clips around the inside edge. Check each one is whole, because a single broken tab is what loses the cover.
C Tether lug — The small loop or peg for the tether, where the car has one. Its presence or absence is part of what you are matching.
D Curvature — Look at the cover from the side. It is shaped to one bumper's curve, and a flat photograph hides that completely.
E Face finish — Whether it is painted or in primer, and how the paint has worn. This is the lowest, most stone-blasted part of the car.

This section describes tow eye covers 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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