A dead C64 is rarely just a dead C64. It may be a failed PLA, a cracked cartridge port, a power supply that should have been retired years ago, or one missing keyboard key holding up an otherwise complete restoration. Knowing where to find commodore parts is less about locating one general supplier and more about matching the part, the machine and the condition you actually need.
Commodore hardware spans several distinct ecosystems. A replacement for a breadbin C64 may be plentiful, while a specific PET keyboard keycap, VIC-20 case screw, Amiga 4000 daughterboard or C128DCR keyboard assembly can take patience. Start by identifying the exact model, board revision and component reference before searching. “Commodore keyboard” is not a useful buying specification; “C64C 250469 keyboard assembly, tested, UK layout” is.
Where to find Commodore parts for repair and restoration
The best source depends on whether you need an original part, a modern replacement, a donor machine or a tested upgrade. Serious restorations often involve more than one of these routes.
Specialist retro computing marketplaces are usually the most efficient first stop for original hardware. Sellers understand terms such as SID, VIC-II, PLA, CIA, 1541-II, Amiga trapdoor RAM and keyboard membrane. Listings are more likely to state compatibility, condition and whether an item has been tested rather than simply describing it as “vintage computer part”. On SellMyRetro, searching within Commodore and Amiga categories can narrow the field quickly when you need a specific component rather than a mixed job lot.
Collector forums, local retro groups and computer clubs are also useful for unusual requests. A member may have a donor board, spare case plastics or a box of chips that has not been listed publicly. These sources reward precision. Include a clear photo, the machine model, the board number and the exact fault where relevant. Asking for “a C64 chip” will produce little; asking for a MOS 906114-01 PLA or a known-good 6526 CIA is much more likely to get a useful response.
Retro retailers and small electronics makers are strongest for newly manufactured replacements. This is the sensible route for consumable or failure-prone items such as keyboard membranes, replacement power supplies, PSU protection devices, video cables, drive belts, replacement feet, cartridge shells and modern PLA substitutes. These parts may not be original, but that is often a benefit. A modern power solution with proper regulation is a better everyday choice than trusting an ageing Commodore brick PSU.
Car boot sales, house clearances, charity shops and general auction sites still produce finds, particularly in the UK, but they are unpredictable. They work best when you can inspect an item in person and are comfortable taking a calculated risk. A cheap “untested” 1541 may be a useful donor drive, yet it may also be incomplete, corroded or fitted with the very parts you are trying to avoid.
Original part, donor part or modern replacement?
This decision affects both cost and the character of the finished machine. For a museum-grade collection piece, original keycaps, badges, cases and chips are usually worth pursuing. Matching plastics and the correct revision board can matter considerably to a collector, especially with early C64 breadbins, PET variants and higher-end Amiga systems.
For a machine intended for regular use, modern replacements can be the more practical option. A replacement PLA, a modern PSU, a new keyboard membrane or a video adapter may reduce future faults and improve usability without changing the machine’s identity. Keep any removed original parts in a labelled bag. Even failed components can have value for repair, reference or a future owner who wants complete provenance.
Donor machines sit between those choices. Buying a non-working C64 solely for its keyboard, case or board-mounted chips can make sense, particularly when a single loose original component commands a premium. The trade-off is uncertainty. Donor machines are often described as untested because they genuinely are, and corrosion, broken clips and prior repair attempts can turn a low-cost purchase into a parts gamble.
Search by part number, not just by machine name
Commodore used numerous revisions across its product range. A C64 can contain different board designs, video chips, power connectors and keyboard arrangements. Amiga expansion hardware is even less forgiving: the right accelerator, RAM board or SCSI controller may depend on a particular model, Kickstart version, CPU socket or case layout.
Before buying, inspect the part already fitted where possible. Note the printed circuit board number, chip marking, connector type and physical dimensions. Photograph the relevant area of the machine. This prevents common errors such as ordering a later C64C keyboard for a breadbin without checking the connector arrangement, or buying an Amiga 500 expansion that clashes with an existing sidecar device.
For integrated circuits, confirm whether you require an original MOS chip or a compatible replacement. An original 6581 SID and an 8580 SID are not simply interchangeable in every setup. They differ electrically and can affect sound characteristics. Likewise, a replacement VIC-II needs to suit the machine’s PAL or NTSC configuration. UK buyers will usually be working with PAL hardware, but imported machines and mixed collections are common.
Condition descriptions need reading carefully
“Tested” should mean the seller has verified the item’s function, ideally in a compatible machine. “Working when stored” is useful history, not proof. “Untested” should be priced as a risk. For cosmetic parts, examine photos for yellowing, cracks around screw posts, missing clips, damaged legends and previous paintwork.
With motherboards and disk drives, ask whether the part is complete. A bare C64 board without SID, VIC-II, PLA or CIAs may still be valuable, but its true cost is very different from that of a populated, tested board. For disk drives, check whether the mechanism, logic board, power supply and cables are included. A 1541 mechanism on its own will not solve every 1541 fault.
The Commodore parts buying checklist
Use a short compatibility check before committing to a purchase, especially when the part is scarce or expensive:
- Confirm the exact machine model and board revision.
- Match the part number, connector type and regional video standard where applicable.
- Check whether the item is original, reproduced, repaired or newly manufactured.
- Read the condition wording alongside every available photograph.
- Factor in postage, import charges and the risk of damage to fragile plastics or chips.
For high-value components such as original SIDs, Amiga accelerator cards, rare PET boards or boxed expansion hardware, ask sensible questions before buying. Has it been tested recently? Was it repaired? Are pins straight? Is there corrosion from battery leakage? A clear answer is often more valuable than a slightly lower price.
Selling surplus Commodore spares helps everyone
Many restorers accumulate more parts than they can use: duplicate C64 keyboards, drive mechanisms, manuals, empty cartridge cases, power bricks, loose ICs and incomplete boards. Those items may be exactly what another owner needs to finish a repair.
When listing parts, use the same detail you expect as a buyer. Put the model, part number, condition and test status in the title. State whether the item came from a PAL or NTSC machine if relevant, and show both sides of boards. If a part is untested, say so plainly. Accurate listings reduce unsuitable purchases, returns and wasted postage.
Do not discard damaged hardware too quickly. A cracked case may still have intact badges, keyboard mounts or screws. A board with a corroded section may retain sockets, logic chips or connectors. Clearly marked spares and repair projects keep useful original material in the hobby rather than in landfill.
Be patient with the genuinely scarce items
Some Commodore parts appear regularly; others surface only when a long-held collection is broken up. If the item is rare, save a precise search term, check specialist listings consistently and be ready to buy when condition and price align. Rushing into the first vague listing is how restorations acquire the wrong revision, an untested expensive chip or an avoidable pile of duplicates.
The best repair is not always the one with the most original parts. It is the one that leaves a Commodore machine safe to use, correctly matched and ready for another few decades of loading disks, running demos or waiting at a familiar blue screen.