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Hi. I have a 2004 CS.  Long story short a truck tire tread on the freeway hit the front of the car.  Right side headlight now has a big hole in it. Insurance is paying for a recycled headlight.  I am looking at this pair on ebay http://www.ebay.com/itm/150981466638?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT


I looked up the part number on gaudinorsche.com and found the part number 955-631-158-51.  Gaudin also listed a part number 955-631-158-31.  Now the ebay link has the part number 31 but not 51 as OE numbers.  I sent a question to the seller and got the following:


No, our lights are slightly different. Yours are Xenon, whereas ours are Bi-xenon. Tho install our lights you will require new xenon ballasts which are not included to this set neither they are on our offer. The gasket is included. The lights come without bulbs. Please check the pictures of the backside of light in our listing. The bottom of it. The lights look exactly as you see them on the pictures. No addition items are included. I am here if you have any further questions or require my assistance.


I thought the only options were halogen or bi-xenon.  Mine have the corner lights, self leveling, and all that stuff.  So will those lights work or am I missing something?


Oh and by the way, After the light broke and I had to use them I got error message, several time, for check dipped beam and level adjustment, and only 1 bulb worked.  Obviously it got smacked pretty good.  But several days later I turn them on and everything works fine.  Weird huh.  Self healing, or is it a reincarnated Christine?


Thanks for any advice you can give.  Jeff 


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well the difference is that a bi-xenon will have xenon high beams or a single bulb with a shade for high and low.  The cayennes have halogen high beams.  My guess would be that those are the right headlights and the seller doesn't know what they're talking about.  It lists bulbs used as D1S (that's the xenon main beam) and then H7 (that's the halogen high beam).


I hope they are the right pieces, mine could use new headlights.  I upgraded the boxster to xenons, and those assemblies set me back a good 1K+ a piece.

Edited by ARModen
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I did a bunch of searching and the only thing I can come up with is that they are made for the eastern european market.  The US spec valeo's are 046660 and 46661 with Porsche part numbers ending in 51.  The other ones end in 31 and 41, and I can only find them on sites that are probably in russian: http://translate.google.com/translate?hl=en&sl=ru&u=http://www.bixen.ru/xenon-parts/avto-optika/fara_dlia-Porsche/shtatnye-fary-Cayenne/088410-95563115800.html&prev=search


That being said, they do appear to be the right part.

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It would appear that 158 51 is the US version and 158 31 was fitted to European/ ROW cars from 2005 onwards. I don't what the physical differences are but lighting is one of the areas where US cars often differ from ROW.



955 631 158 51 headlamp /R     1 I8JD


Main headlights with gas-discharge lamps U.S. version, XENON RHD



European Pet

955 631 158 31 headlamp /R 05- 1 I8BC


Main headlights with gas-discharge lamps + direction indicators, XENON, right-hand traffic
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  • 11 months later...
  • 3 weeks later...
  • Admin

does anyone want to know how it turned out or should I keep it to my self


A portion of being part of any community of enthusiasts is sharing... think what it would be like if no one here shared.

So please do share your experience(s) good or bad.

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