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Model A1419 / EMC 2806 / Late 2014 or Mid 2015. 3.3 or 3.5 GHz Core i5 or 4.0 GHz Core i7 (ID iMac15,1); EMC 2834 late 2015 / 3.3 or 3.5 GHz Core i5 or 4.0 GHz Core i7 (iMac17,1) All with Retina 5K displays

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Where can I find the Parts Number references for Apple?

Dan, you are the man.

You tried to help me answer a question before. I still remember. Much thanks.

Wondering where can I find the Parts Number references for Apple? I have a LM270QQ1_SDC1 panel for my 27-inch 2017 iMac. I need to replace that panel.

Seems like everyone has panels for sale using the same pictures on eBay.

I'd like to find an honest seller who either has an old scavenged panel or overstocked panel.

Thank you,


Answer this question I have this problem too

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@happycarl - Here's the Apple P/N for your display 661-07323

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Hi Dan,

Much appreciated. I guess I should ask you this question. You’re the expert.

I need to replace the panel to my iMac18,3 it’s an LM270QQ1(SD)(C1) by LG Display. I cracked it.

Question 1: How do I tell if an advertised replacement LCD screen assembly is actually using a Apple approved LCD panel? How will I even know if it’s a 5k?

Question 2: Does it even matter if it is made by AUO and not LG? I assume AUO means AU Optronics of Taiwan*. I found a seller that “looks” more honest and advertises its screen as “Brand: AUO”. Problem here is that I don’t think AUO supplies screens to Apple. I thought only LG Display and Japan Display supplies panels.

It’s really confusing as a lot of sellers on eBay all seem to be using the same picture. Know any reliable panel retailers?

Thank you,



Refer to my answer here: iMac 27" 2017 Replacement Screen - How to Spot a Real Apple Panel?

I just don't buy displays off of eBay as you just don't know what you get. These are mostly people who collect things with little knowledge what they have.


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Carl will be eternally grateful.
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