Power Supply Gasket
Apple Part Number: 923-03665
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 |
|---|---|---|---|---|---|
| Mac Pro (2019) | GWEN2LL/A | A1991 | 3401 | MacPro7,1 | 3.5 GHz 8-Core Intel Xeon W |
| Mac Pro M2 Ultra 2023 | A2786 | 8163 | MacPro14,8 | ||
| Mac Pro Rack 2019 | A2304 | 3413 | MacPro7,1 | Intel Xeon W | |
| Mac Pro Rack M2 Ultra 2023 | A2787 | 8164 | MacPro14,8 |
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About this part
The Power Supply Gasket (Apple part number 923-03665) is a genuine Apple part that fits the Mac Pro (2019), Mac Pro M2 Ultra 2023, Mac Pro Rack 2019 and 1 other model. The internal power supply converts wall power for the logic board and every component inside the Mac.
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: MacPro7,1 and MacPro14,8.
Signs the power supply needs replacing
- No power at all, even with a known good cable
- Shutdowns under load or when a drive spins up
- A buzzing or clicking sound from the power supply
- A burnt smell or visible damage near the power inlet
Not sure the power supply is the real cause? We diagnose the Mac before replacing anything, and we can install this genuine Apple part for you through our Mac Pro repair service, in our Tampa shop or by mail-in repair from anywhere in the US.
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