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Qball213
04-24-2013, 12:37 PM
As title states i was replacing a bulb and when i went to pull my headlight out i noticed i am lacking the third bolt (the difficult one to take out that is down low) where can i find a replacement or is there a part number to help my search

woolveren
04-24-2013, 12:47 PM
P/N: N90369405

http://www.ecstuning.com/Audi-B5_A4-FWD-1.8T/Search/N90369405/ES1300767/

http://www.worldimpex.com/parts/genuine-part-screw_2748549.html

Qball213
04-24-2013, 12:52 PM
are all three of the bolts the same size? i thought maybe the lower one was longer

woolveren
04-24-2013, 12:59 PM
are all three of the bolts the same size? i thought maybe the lower one was longer

Yes, all three are of same size. You may need to buy the washer for the screw as well;

P/N: N01166620

http://www.worldimpex.com/parts/genuine-part-washer_555941.html
http://www.ecstuning.com/Audi-B5_A4-FWD-1.8T/Search/N01166620/ES465980/

Qball213
04-24-2013, 01:08 PM
thanks brother

ianwpb
04-24-2013, 01:25 PM
The third bolt is longer. I think I used a m6x35/40mm bolt with a washer to replace my missing bolts. The two on top are m6x20 iirc.

woolveren
04-24-2013, 02:10 PM
The third bolt is longer. I think I used a m6x35/40mm bolt with a washer to replace my missing bolts. The two on top are m6x20 iirc.

No, all three bolts are of the same size. 100% sure.

ianwpb
04-24-2013, 02:36 PM
Based on what? I did this just last week. The 20mm bolt was not long enough for bolting the back side of the headlight housing. Ill get pictures if I can.

Seerlah
04-24-2013, 02:38 PM
They are not all the same size. The 3rd one is longer. This is pertaining to the facelift.

woolveren
04-24-2013, 02:49 PM
Based on what? I did this just last week. The 20mm bolt was not long enough for bolting the back side of the headlight housing. Ill get pictures if I can.

Based on what I saw.

I've added the DDM HID kit and when I removed the bolts, they all were same exact size. I did even mix up all 6 bolts after removing headlights. :)

As Seerlah said, I don't know whether there is a difference between prefacelift and facelift cars. Mine is prefacelift, and OP never mentioned what's his car.

Artiemas
04-24-2013, 03:09 PM
I've gone from pre-facelift headlights, to facelift, and my mom's A4 is facelift, which I've taken the headlights out of.

Prefacelift bottom one is same

Facelift bottom one is longer.

woolveren
04-24-2013, 03:13 PM
I've gone from pre-facelift headlights, to facelift, and my mom's A4 is facelift, which I've taken the headlights out of.

Prefacelift bottom one is same

Facelift bottom one is longer.

Thanks for confirming.

@ianwpb, so we both were correct in our own perspective [:D]

ianwpb
04-24-2013, 03:20 PM
Guess so. Now we just need to know the op's year.

woolveren
04-24-2013, 03:29 PM
As title states i was replacing a bulb and when i went to pull my headlight out i noticed i am lacking the third bolt (the difficult one to take out that is down low) where can i find a replacement or is there a part number to help my search

These are the correct part numbers;

Pre-Facelift cars

All three bolts are of the same size.

P/N for Bolt: N90369405
P/N for washer: N01166620

http://www.ecstuning.com/Audi-B5_A4-FWD-1.8T/Search/N90369405/ES1300767/
http://www.ecstuning.com/Audi-B5_A4-FWD-1.8T/Search/N01166620/ES465980/
http://www.worldimpex.com/parts/genuine-part-screw_2748549.html
http://www.worldimpex.com/parts/genuine-part-washer_555941.html

Face-lift cars

Top two screws are of the same size, but the bottom one is longer.

P/N for Bolt(top): N90369405
P/N for Bolt(bottom):N0147495
P/N for washer: N01166620

http://www.worldimpex.com/parts/genuine-part-bolt_549661.html
http://www.ecstuning.com/ES11791/

Qball213
04-24-2013, 04:17 PM
yea im a 2001 1.8t so i need the longer one it seems and its not available on ecs anymore thanks for the help

Seerlah
04-24-2013, 04:28 PM
The part number and pic is wrong in the ETKA. Those are not the proper bolts to use. Even confirmed it was wrong at a VW dealership using their computer. Best bet is find someone parting their car and ask for all of them for like $5 shipped. Check the classified section on fourtitude and look for anybody parting a 99.5-01.5 Audi A4. Does not matter 1.8t or 2.8. Or even grab them from a B5 S4. Same bolts.

woolveren
04-24-2013, 05:08 PM
The part number and pic is wrong in the ETKA. Those are not the proper bolts to use. Even confirmed it was wrong at a VW dealership using their computer.


The two parts I've mentioned for the facelifts are M6 x 40mm(N0147495) and M6 x 20mm(N90369405).

They both are of the same thread size and will fit a facelift car at top and bottom headlight screw holes ??[confused]

ECS had it listed as headlight securing bolt only in their site..

ianwpb
04-24-2013, 05:53 PM
Just go to a hardware store, ACE, Lowes, Home depot etc. They should have a whole aisle with different size bolts and heads. Buy (4) M6X20 and (2) M6x40 socket head bolts. The only difference will be the tool that you use for them. Instead of T30 it'll be a 5mm hex. Get some washers and you're all set.

Easy.

northcarohio
04-24-2013, 08:12 PM
haha I went to replace a bulb the other week and found out that third bolt in the evil hole of darkness wasn't even there. I don't see the need for three, and don't plan on replacing it any time soon. It will just be easier to replace next time. but wow every time I go in there I'm baffled by how stupid the metal coil/retainer clip design that holds in the low beams is. WTF were they thinking?!

ianwpb
04-24-2013, 08:40 PM
My headlights moved a LOT(!) when I would go over bumps and sometimes they would just hop up and down if I was on a bumpy road. Since I put the 3rd bolt in they're nice and secure.

btroit
12-27-2014, 06:31 PM
Back bolt is definitely longer. I just went to Home Depot and bought an M6 bolt with 10 mm hex head and a large flat washer. Dropped it in with my magnet hooked to the flat washer and used a long 3/8" extension with 10 mm socket. I think it's pretty embarrassing to Audi as a company when they don't even have the ability to find the part on their system. The Audi speed nut that fits in the slot on the rad support is the same as the one that goes on the bottom engine cover. In my case the slot was broken from a front end ding and I took a piece of stainless, slotted it and used a couple of sheet metal screws to attach to the rad support.

GrapeBandit
12-27-2014, 06:46 PM
. . .and the thread pitch is[confused] my guess would be 1.0?

not that it matters, but I never saw an allen head on any of the 5 b5's ive owned, all torx heads