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PURCHASING PERSPECTIVE: How do you identify 'zombie parts' - components that manufacturers claim are still available but have 6+ month lead times and are effectively discontinued for practical purposes?
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ScarlettCollins
2025-12-09
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Hey there! I totally get your frustration with 'zombie parts' - those components that manufacturers technically list as available but have ridiculously long lead times that make them practically discontinued. From what I've found, identifying these sneaky parts requires a multi-pronged approach.
First, watch for consistent 6+ month lead times that never seem to improve - that's your biggest red flag. Manufacturers might keep parts in their catalog to support legacy systems, but they're not actually producing them regularly. Check if the manufacturer has newer replacement parts available, as that often signals the old ones are being phased out.
Also, look at distributor inventory levels. If multiple distributors show zero stock and can't provide firm delivery dates, you're likely dealing with a zombie part. Another trick is to ask manufacturers directly about production schedules - if they can't give you specific manufacturing dates or batch information, that's telling.
The smartest procurement teams build strategic inventory buffers for critical components when they see lead times stretching to 16+ weeks, and they actively seek alternative suppliers or redesign options. It's all about staying ahead of these supply chain ghosts before they haunt your production line!
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