Sourcing replacement parts for older arcade machines can be a daunting task due to several challenges. First, many original components are obsolete, as manufacturers no longer produce them. This forces enthusiasts to rely on limited aftermarket suppliers or scavenge used parts from other machines.

Second, the rarity of certain arcade models means parts are scarce, driving up prices and making repairs costly. Third, compatibility issues often arise, as modern replacements may not fit or function correctly in vintage systems.

Additionally, documentation for older machines is frequently incomplete or lost, complicating repairs. Finally, skilled technicians familiar with these systems are becoming harder to find. Despite these hurdles, dedicated communities and niche suppliers continue to support the preservation of classic arcade gaming.