JAGUAR F-PACE X761 Rear Bumper Crash Reinforcement Bar GX73-178892-AA 2023

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JAGUAR F-PACE X761 Rear Bumper Crash Reinforcement Bar GX73-178892-AA 2023 - part number GX73-178892-AA

JAGUAR F-PACE X761 Rear Bumper Crash Reinforcement Bar GX73-178892-AA 2023 - part number GX73-178892-AA - view 2 JAGUAR F-PACE X761 Rear Bumper Crash Reinforcement Bar GX73-178892-AA 2023 - part number GX73-178892-AA - view 3 JAGUAR F-PACE X761 Rear Bumper Crash Reinforcement Bar GX73-178892-AA 2023 - part number GX73-178892-AA - view 4

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About part number GX73-178892-AA

A rear bumper crash reinforcement bar is a structural safety component situated behind the rear bumper cover. It mounts directly to the rear chassis rail ends to absorb and distribute impact energy in a rear-end collision, protecting the main body shell and the passengers inside. When it is doing its job correctly, the driver will not notice it at all, as it sits hidden from view and holds the rear outer trims firmly in place without any movement or rattling.

To ensure this is the correct part for your vehicle, you must check that the engineering code stamped on your original unit matches part number GX73-178892-AA exactly. This manufacturer code is usually stamped or pressed into the metal surface on the main beam or near one of the mounting brackets. Matching this exact number is what confirms correct fitment, as physical shape and fixing points vary between different production specifications.

These reinforcement bars are typically replaced after a vehicle has suffered a rear impact, as the metal deforms to absorb energy and loses its structural strength. Anyone fitting a replacement bar usually needs new single-use mounting bolts, and may also require replacement bumper cover brackets or parking sensor retainers if they were damaged during the original collision.

  • Part type: Other Exterior Parts & Accessories.

About this kind of part: bumper reinforcement bars

A reinforcement bar is the steel or aluminium beam behind the painted bumper cover, bolted to the chassis legs through a pair of crush cans. It is the part that actually does the work in an impact: the cover is cosmetic, the foam absorber takes the low-speed knock, and the bar and its crush cans are engineered to deform in a controlled way and protect the chassis behind them. That is also why a deformed bar must be replaced rather than straightened.

Why people replace one

  • An impact has bent the bar or collapsed a crush can, which is exactly what they are designed to do and means both need replacing.
  • The bar is sound but the chassis legs behind it need a new mounting face, and the bar comes off anyway.
  • Corrosion has taken hold where a steel bar meets its mounting plates, which is common on an older car that has stood.
  • A towing eye thread in the bar has stripped.
  • A repairer has straightened a bent bar and the owner wants a replacement rather than a repaired one.

Fitting it

  • The bumper cover and usually the absorber come off first, then the bar unbolts from the crush cans or from the chassis legs directly.
  • Inspect the crush cans whenever the bar has taken a knock. A collapsed can is the point of the design, and reusing one leaves the car with no protection.
  • The bolts are usually specified to a torque figure and are often single-use. Check before reusing them.
  • An aluminium bar must not be heated or straightened, and it takes its own fasteners. Steel practice does not carry across.

Making sure it is the right one

  • Match the part number. Within one model the bar changes with the body style and often across a facelift, and the two are not interchangeable even where the shape looks similar.
  • Check the material. A steel bar and an aluminium bar exist for the same position on some cars, and they take different fasteners and different repair methods.
  • Compare the mounting plate positions and the bolt spacing with your own bar. This is what decides whether it lines up with the chassis legs.
  • Check whether the crush cans are included and whether they are straight. They are sometimes separate parts and are frequently the reason the bar is being replaced.

What to look for in the photographs

A Part number — Stamped into the bar or on a label on one face.
B Crush cans — The boxed sections at each end that bolt to the chassis legs. Check whether they are included and whether either has begun to concertina.
C Mounting plates — The flanges and bolt holes at each end. Compare the spacing with your own bar, because this is what has to line up.
D Bar profile — Look along the bar from one end rather than at its face. A gentle bend is invisible straight on and obvious down the length.
E Towing eye thread — The threaded socket, where the bar carries one. Check the thread is clean and square.
F Material and corrosion — Steel or aluminium, and the state of the metal where the plates are welded or bolted on.

This section describes bumper reinforcement bars 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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