Replacement parts for your G4 model to fix your broken computer!
iFixit has you covered with parts, tools, and free repair guides. Repair with confidence! All of our replacement parts are tested to rigorous standards and backed by our industry-leading warranty.
Arctic Silver Thermal Paste
Forms a continuous, heat conductive layer between a processor and its heat sink. A new layer of thermal paste keeps your processor from overheating. 3.5 grams
Arctic Silver ArctiClean
Two part cleaner dissolves old thermal paste on heat sinks and processors. One 30 ml bottle of thermal material remover and one 30 ml bottle of thermal surface purifier.
Universal Drive Adapter
Turn your current hard drive into an external drive with this part.
12.7 mm PATA Optical Bay PATA Hard Drive Enclosure
Install a second hard drive in your optical drive bay.
PC3200 512 MB RAM Chip (Desktop)
Replace or upgrade the RAM in your desktop computer.
Apple AC Adapter (3-prong) Extension Cable
Replace a broken or damaged six foot Apple three-prong AC adapter extension cable with this part.
G4/MagSafe AC Adapter End
Replace a broken or damaged two-pronged tip of your square G4 or MagSafe adapter with this part.
DVI to VGA Adapter
Converts DVI port to standard VGA port
The G4 processor powered Apple's Desktop and Portable machines before being replaced by the G5 and Intel processors.
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NOTE: if your category is not listed above, iFixit does not currently support your machine.
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