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> Correct screws for fog light grills
doug_b_928
post Dec 12 2025, 06:50 PM
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The screws for my fog light grills were the long flat head ones pictured below. PET says that the correct screws are 3.5 x 13, which are the short ones pictured below. All 8 on my car were like the long one. Based on my experience with this car, if all 8 screws are the same then they probably were the original screws (POs were clearly too frugal to change all 8 just to be consistent). So, for those that know what was original, are the long ones correct?

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Dlee6205
post Dec 12 2025, 06:52 PM
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The long ones are not correct. I would trust PET
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Jamie
post Dec 12 2025, 07:01 PM
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QUOTE(doug_b_928 @ Dec 12 2025, 04:50 PM) *

The screws for my fog light grills were the long flat head ones pictured below. PET says that the correct screws are 3.5 x 13, which are the short ones pictured below. All 8 on my car were like the long one. Based on my experience with this car, if all 8 screws are the same then they probably were the original screws (POs were clearly too frugal to change all 8 just to be consistent). So, for those that know what was original, are the long ones correct?

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Long ones are wood screws, not correct originals. My 73 has Phillips pan head stainless about the same length as your other one, and I replaced the original rusty body clips with plastic expanding anchor "plugs" that fit perfectly in the original body holes, and won't rust.
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dtmehall
post Dec 12 2025, 07:07 PM
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doug_b_928
post Dec 12 2025, 07:21 PM
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Wow, I'm surprised and glad I asked! Thanks for the replies guys.
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dtmehall
post Dec 12 2025, 07:45 PM
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make sure that you have the speed nuts in the bumper for the screw to go into

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TRP
post Dec 12 2025, 08:07 PM
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For those of us who are relatively new, what's the PET?

Ted
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dtmehall
post Dec 12 2025, 08:16 PM
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i must confess, i had to look it up. i am working from an old several inch thick book


here ya go for the definition

Porsche® Parts Diagrams (PET)
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JeffBowlsby
post Dec 12 2025, 08:58 PM
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You can download editions of PET here: https://bowlsby.net/914/Classic/TechNotebook.htm
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Garland
post Dec 13 2025, 12:01 AM
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Harbor freight has a box with workable hardware.

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chmillman
post Dec 13 2025, 01:05 AM
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QUOTE(TRP @ Dec 13 2025, 03:07 AM) *

For those of us who are relatively new, what's the PET?

Ted


The acronym is actually German. Porsche Ersatz Teile. Literally translated Porsche Replacement Parts. Although in reality, Ersatzteile should be one word, not two.

As far as the screws in the OP's post, I just replaced mine a few days ago. The size looked correct, I'm not sure if the originals were stainless or not, but the ones in mine were badly oxidized silver zinc. I replaced them with stainless. They were 3.5mm x 16 sheet metal screws (the sheet metal nuts in the bumper were OK). In the US I think that is the equivalent of a #6 x 5/8" sheet metal screw.
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TRP
post Dec 13 2025, 12:19 PM
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QUOTE(chmillman @ Dec 12 2025, 11:05 PM) *

QUOTE(TRP @ Dec 13 2025, 03:07 AM) *

For those of us who are relatively new, what's the PET?

Ted


The acronym is actually German. Porsche Ersatz Teile. Literally translated Porsche Replacement Parts. Although in reality, Ersatzteile should be one word, not two.

As far as the screws in the OP's post, I just replaced mine a few days ago. The size looked correct, I'm not sure if the originals were stainless or not, but the ones in mine were badly oxidized silver zinc. I replaced them with stainless. They were 3.5mm x 16 sheet metal screws (the sheet metal nuts in the bumper were OK). In the US I think that is the equivalent of a #6 x 5/8" sheet metal screw.


Thank you. I spent the last 5 years toying around with my classic vette where I had to learn a bunch of acronyms, I thought PET was some sort of Assembly Instruction Manual (AIM) or NCRS type restoration society/standard (NCRS).
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