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iMac (24-inch, M1, 2021)
DesktopiMac2021

iMac (24-inch, M1, 2021)

The iMac 24-inch M1 2021 was a stunning redesign, incredibly thin at 11.5mm with a vibrant 4.5K Retina display in seven colors, powered by Apple M1.

Model: A2438, A2439
EMC: 3663, 3664
117 parts available
Expert, Professional Required

Key Specifications

Apple M1 (8-core CPU, 7/8-core GPU)
8GB or 16GB unified memory
256GB–2TB SSD
24-inch 4.5K Retina 4480×2520 P3
7 colors, 1080p FaceTime camera, 6-speaker sound system

Common Repairs

1Display replacement
2Logic board replacement
3Power adapter replacement
4Speaker replacement
5Stand replacement

Repair Procedures

Official Apple step-by-step repair guides for the iMac (24-inch, M1, 2021). Each opens in a new tab, WarriorMac stays right here.

Views, Parts & Tools

Apple's official diagrams and reference materials for the iMac (24-inch, M1, 2021).

Available Parts (117)

Apple Service Guide Parts (20)

Official Apple order numbers from this model's illustrated parts list (44 part numbers). Item numbers match the exploded view callouts in the Apple service guide.

1

Display

4 numbers
661-16565silver
661-16569green
661-16571blue
661-16573pink
2

Display backlight cable

1 number
923-05587
3

Ambient light sensor and microphone flex cable

1 number
923-05155
4

Battery board cable

1 number
923-05589
5

Audio board and power button cable

1 number
923-05677
6

Camera and embedded DisplayPort cable

1 number
923-05586
7

Battery board

1 number
923-05182
8

Cowling, USB-C board

1 number
923-05567
9

EMI Shield

1 number
923-05134
10

Logic board

6 numbers
661-165578-core CPU, 7-core GPU, 8GB, 256GB
661-165588-core CPU, 7-core GPU, 8GB, 512GB
661-165598-core CPU, 7-core GPU, 8GB, 1TB
661-165608-core CPU, 7-core GPU, 16GB, 256GB
661-165618-core CPU, 7-core GPU, 16GB, 512GB
661-165648-core CPU, 7-core GPU, 16GB, 1TB
11

USB-C board

4 numbers
923-05575silver
923-05583green
923-05584blue
923-05585pink
12

Antenna, Wi-Fi and Bluetooth (left)

1 number
923-05136
13

Audio board

4 numbers
923-05138silver
923-05140green
923-05673blue
923-05674pink
14

Fan

1 number
923-05162
15

Antenna, Wi-Fi (right)

1 number
923-05137
16

Enclosure

4 numbers
923-05546silver
923-05547green
923-05548blue
923-05549pink
17

Flange

4 numbers
923-05175silver
923-05177green
923-05178blue
923-05179pink
18

Stand

4 numbers
923-05190silver
923-05191green
923-05192blue
923-05193pink
19

VESA mount adapter

1 number
923-05189

Display Adhesive Bonding Kit

2 numbers
076-00498Display Starter Kit
076-00499Display Refill Kit

Part numbers are sourced from the official Apple service guide for reference. Availability varies, contact us to confirm current pricing and stock for any part.

Safety Precautions

  • Always disconnect power and discharge the battery before beginning any repair.
  • Use an anti-static wrist strap (ESD) to prevent electrostatic damage to components.
  • Keep screws organized by step, magnetic project mats are highly recommended.
  • Never force connectors. Use a spudger to gently lift ZIF, FPC, and board-to-board connectors.
  • If your Mac has a swollen battery, do not attempt removal yourself, contact a professional.

Model Identification

Model Number(s)

A2438A2439

EMC Number(s)

36633664

Order Number(s)

MGPC3LL/AMGPD3LL/A

Identifier(s)

iMac21,1iMac21,2

Product Line

iMac

Year

2021

Mac Service Tools

2.5 mm hex nut driver923-06028
3.5 mm hex nut driver923-06029
Adhesive cutter818-3269
Adhesive cutter replacement wheels076-1417
Adjustable torque driver (1.2–3 Nm)923-06026
Alignment pins
Antenna tool923-01322
Backlight cable connector tape605-08481
Cut-resistant gloves
Display starter kit076-00498
Display refill kit076-00499
Display single repair kit076-00544
Display support stand923-0416
EarPods with 3.5 mm headphone plug
ESD mat
ESD-safe tweezers
ESD wrist strap with clip or plug
Ethanol wipes
Isopropyl alcohol (IPA) wipes
Kapton tape922-1731
Logic board cover tape605-09054
Magnetizer
Microterry polishing cloth
Nylon probe (black stick)922-5065
Packing tape
Painters tape
Safety glasses with side shields
Silicone roller
Sticky sheet pad922-8262
Support wedge kit076-00507
Torx Plus 10IP bit923-06027
Torx T3 screwdriver
The display starter kit, display refill kit, and display single repair kit include the following:
Adhesive cutter
Adhesive cutter replacement wheels
Backlight cable connector tape
Display adhesive strips
Logic board cover tape
Ethanol wipes must contain at least 90% ethanol and no additives except isopropyl alcohol

Tools with part numbers are available from Apple's Self Service Repair Store. Tools without part numbers can be purchased from electronics supply retailers.

Need Professional Help?

Our Apple Certified Technicians can handle any iMac (24-inch, M1, 2021) repair. Free diagnostics, 1-year warranty on all parts.