Cowling, I/O Board
Apple Part Number: 923-03937
6-Month 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 |
|---|---|---|---|---|---|
| MacBook Pro (16-inch, 2019) | MVVK2LL/A | A2141 | 3347 | MacBookPro16,1 | 2.3 GHz 8-Core Intel Core i9 |
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About this part
The Cowling, I/O Board (Apple part number 923-03937) is a genuine Apple part that fits the MacBook Pro (16-inch, 2019). This cowling is the small metal cover that secures the I/O Board connection. That connector links the port board to the logic board. Match the cowling and its mounting hardware to the listed device model.
Before you order, match the model identifier on your Mac (Apple menu, About This Mac, System Report) to the identifier listed for this part: MacBookPro16,1.
Signs the cowling needs replacing
- USB-C or Thunderbolt ports that stop detecting devices
- Charging that works on one side only
- Ports that work only when the cable is held at an angle
- Ports that failed after the case was opened
Not sure the cowling is the real cause? We diagnose the Mac before replacing anything, and we can install this genuine Apple part for you through our MacBook Pro repair service, in our Tampa shop or by mail-in repair from anywhere in the US.
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