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License Plate LED Lamp Upgrade - Easy Mod

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Old 07-13-2012, 03:06 PM
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Originally Posted by gb4.2
The logical next question for this forum is "What about the A8/A8L?" Well, AudiUSAParts.com just told me that, effective Feb. 20, 2012, LED license plate light assemblies are available from Audi for the A8/A8L. The part numbers are:

4H0943021 (Left side)
4H0943022 (Right side)

They're $18.44 each.

Note that the A6 has one part number for both lights so they're the same. The A8/A8L's are specific to each side.

It'll be interesting to see if mine comes with LEDs when it arrives in mid-April. If not, this is an inexpensive upgrade!
Would these part numbers fit an 06 audi A8. called the audi parts and they said its for a Q7 and A5
Old 07-30-2012, 01:44 PM
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Originally Posted by gb4.2
The logical next question for this forum is "What about the A8/A8L?" Well, AudiUSAParts.com just told me that, effective Feb. 20, 2012, LED license plate light assemblies are available from Audi for the A8/A8L. The part numbers are:

4H0943021 (Left side)
4H0943022 (Right side)

They're $18.44 each.

Note that the A6 has one part number for both lights so they're the same. The A8/A8L's are specific to each side.

It'll be interesting to see if mine comes with LEDs when it arrives in mid-April. If not, this is an inexpensive upgrade!
Talked to Loree at AudiUSAparts today, and unfortunately these aren't a direct replace for the A8 because "The LED’s are thinner and come as assembly where the ones in your A8 have a replaceable standard bulb with a lens."

Old 04-20-2015, 06:42 PM
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I can confirm that these actually do work as replacements. I came here thought to warn everyone in wintery climates to check the contacts of the housing and on the car for corrosion! I'm at 80-85k miles and did the LED upgrade about half a year ago and they recently stopped working because of the corrosion. Make it a routine preventative maintenance thing to clean them with contact cleaner so it doesn't get too bad

Originally Posted by jakematic
Talked to Loree at AudiUSAparts today, and unfortunately these aren't a direct replace for the A8 because "The LED’s are thinner and come as assembly where the ones in your A8 have a replaceable standard bulb with a lens."

Old 09-05-2017, 07:57 PM
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I did this mod on my 2014 S8 and very happy with the outcome. No bulb out warning. Both the original halogen and the new LEDs get very hot during operation. Here are the bulbs I used from eBay:

36mm CANBUS Error Free 3-SMD 5050 LED License Plate Dome Light Bulbs 6418

Based on my experience with the license plate lights on my D3 S8 the original factory lens seals better than the replacement ones which key to keep moisture out.

Old 09-09-2017, 11:29 PM
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Replace the entire housing:
LED License Plate Housings Crisp White-Error Free-Plug and play Fits: Many Audi Models | deAutoKey
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Old 09-10-2017, 07:17 AM
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Your own site doesn't list those as compatible with the D4.

These will ONLY fit with models listed:
A3/S3 O4-09
A3 Cabriolet 08-09
B6 A4/S4 01-05
B7 A4/S4 05-08
A6/C6 05-current
S6 05-09
D3 A8/S8 03-07
Q7 07-09
RS4 Avant Quattro 06-08
RS4 Carbriolet 06-08
RS6 Avant 08-09
Old 09-10-2017, 10:24 AM
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Originally Posted by Zed 2.0
Your own site doesn't list those as compatible with the D4.
Thanks for the heads-up - they will work though, we will add it to the list and a photo of the OEM, if your housing looks like that it will work.


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Old 09-11-2017, 07:32 AM
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The ones from the A4 work great in the A8. Check this thread from several years ago for part numbers, etc.

https://www.audiworld.com/forums/a8-...ights-2859756/
Old 09-11-2017, 05:34 PM
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I have these, not from you but it's the same design, and they are too bright. At night they are so bright it's hard to see out of the rear camera.
Old 09-11-2017, 06:02 PM
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Originally Posted by the_duke
I have these, not from you but it's the same design, and they are too bright. At night they are so bright it's hard to see out of the rear camera.
Then these would be a lot better - just the CANBUS LED bulb fits into OEM housing:
Universal CANBUS License Plate LEDs Fits: Many Car Models | deAutoKey

But you can adjust the brightness and it is perfect.

We never had any complaints from our customers though, only great feedback on this model, all LEDs are different, what goes inside is the most important, we feel we have bright LEDs but not as bright as competitors, a little bit lower key in many cases while being bright.
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