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A/C components part number help

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Old Feb 25, 2025 | 09:50 PM
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Default A/C components part number help

I am in need of bolts for the A/C system. I have tried finding them but have been unsuccessful. If anybody can help me identify them, that would be awesome.
I need:
21, 3, 19, 13, and 27 (nut).





Last edited by Eleven Bravo; Feb 25, 2025 at 11:13 PM.
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Old Feb 25, 2025 | 11:38 PM
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What you need is to follow the link to the parts manual
the numbers you requested:
3 is 11515792
13 is 11515798
19 is 11515798
21 is 11515798
27 is 11517293
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Old Feb 25, 2025 | 11:41 PM
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Originally Posted by redzg
What you need is to follow the link to the parts manual
the numbers you requested:
3 is 11515792
13 is 11515798
19 is 11515798
21 is 11515798
27 is 11517293
Thank you! What link? I took a screenshot of a diagram. I did not see a link with it in the original post
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Old Feb 25, 2025 | 11:52 PM
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Thought I had the link handy, then had to search for it. Took a minute:
https://shelor.net/Z/CorvetteForum/Docs/C5-PartsManual/
I recommend the complete zip file, even though it's 124 MB.
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Old Feb 26, 2025 | 07:53 PM
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I downloaded the PDF. I'll take a look after work. Looks like the part numbers were discontinued, I'll have to go to my gm dealership for either new parts numbers, or bolt measurements so I can pick them up from Home Depot.
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Old Feb 26, 2025 | 09:36 PM
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Yes, the dealer can usually work the supersession path. By all means give that a try first.
Sometimes google can do that, but not always. The parts manual does generally tell us what bolts and nuts factually are, such as:
#3 is a M8-1.25X40, flange head bolt, partially threaded (22 threads)
#13, #19, and #21 are also M8-1.25X40, flange head, all thread, with a special point -- no idea if that is particularly important
#27 is a hex flange nut, M6-1.0X5
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Old Feb 27, 2025 | 12:49 AM
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Originally Posted by redzg
Yes, the dealer can usually work the supersession path. By all means give that a try first.
Sometimes google can do that, but not always. The parts manual does generally tell us what bolts and nuts factually are, such as:
#3 is a M8-1.25X40, flange head bolt, partially threaded (22 threads)
#13, #19, and #21 are also M8-1.25X40, flange head, all thread, with a special point -- no idea if that is particularly important
#27 is a hex flange nut, M6-1.0X5
Fantastic information. Thank you very much.
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