Oh man, that's a tough spot to be in! Finding genuine parts for an 8-year-discontinued Mitsubishi servo drive without getting ripped off requires a smart approach. Here's what I'd recommend:
First, check with Mitsubishi Electric directly or their authorized distributors - sometimes they maintain limited stock of legacy parts or can suggest authorized refurbishment partners. Next, look for reputable industrial automation specialists like DO Supply or AI Automation Global who specialize in genuine obsolete components with warranties.
Consider these strategies: 1) Contact certified refurbishment companies that can rebuild your existing drives, 2) Explore authorized surplus dealers who buy from factory decommissioning projects, 3) Check if there are compatible newer models that could work with your system, and 4) Build relationships with trusted suppliers who provide authenticity certificates and testing reports.
Always verify part numbers carefully, ask for serial number verification, and request documentation proving the parts are genuine. Avoid brokers on platforms like eBay or Alibaba unless they can provide solid authenticity proof and warranties. It's better to pay a bit more for guaranteed genuine parts than risk production downtime with counterfeits!