Adapter Board
Apple Part Number: 923-05163
1-Year Warranty
Full replacement
Fast Shipping
1-2 business days
Tested & Verified
QA before ship
Expert Help
Install guidance
Compatibility
| Model | Order # | Model # | EMC | Identifier | Processor |
|---|---|---|---|---|---|
| iMac (24-inch, M1, 2021, 4-port) | MGPC3LL/A | A2438 | 3663 | iMac21,1 | Apple M1 8-core |
| iMac (24-inch, M1, 2021, 2-port) | MJV93LL/A | A2439 | 3664 | iMac21,2 | Apple M1 8-core |
Shop all parts for this Mac
About this part
The Adapter Board (Apple part number 923-05163) is a genuine Apple part that fits the iMac (24-inch, M1, 2021, 4-port) and iMac (24-inch, M1, 2021, 2-port). I/O and audio parts handle ports, speakers, microphones, and headphone connections.
Before you order, match the model identifier on your Mac (Apple menu, About This Mac, System Report) to one of the identifiers listed for this part: iMac21,1 and iMac21,2.
Signs the I/O or audio part needs replacing
- Ports that do not detect devices or charge
- Distorted, crackling, or silent speakers
- Microphone not picking up sound on calls
- Headphone jack stuck in headphone mode
Not sure the I/O or audio part is the real cause? We diagnose the Mac before replacing anything, and we can install this genuine Apple part for you through our iMac repair service, in our Tampa shop or by mail-in repair from anywhere in the US.
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