Preventive Maintenance Parts Strategy for Manufacturers

Your Preventive Maintenance (PM) Parts Strategy: Stay Stocked, Stay Ahead, and Stay Running

June 04, 20263 min read

If you’re leading maintenance in a food or pharmaceutical facility, you already know the truth: downtime is expensive. As Andy O’Connor, President of Truco Machine, put it bluntly, “Downtime is money.”

But downtime isn’t just about machine failure, it’s about parts availability, stocking decisions, and whether you have a preventive maintenance parts strategy that actually matches the way your plant operates.

This guide walks you through how to build a smart, predictable, and budget-friendly PM parts strategy designed around the realities you face every day.

PM Isn’t Just About Schedules, It’s About Parts

Your PM program might be calendar-driven, usage-driven, or condition-based. But none of it works if you don’t have the parts when you need them.

Andy explained that certain components, especially sacrificial gears, must be part of PM cycles:
“The sacrificial gear should really be part of a PM… whether semi-annually or annually.”

That means your preventive maintenance parts strategy must include:

  • Predictable replacement intervals

  • On-site spares

  • Vendor stocking support

  • Clear re-order points

Because when a PM comes up and you aren't stocked, your PM becomes downtime.

Why PM Fails: Lead Times, Not Labor

Many manufacturers underestimate the impact of long lead times. Andy shared that OEM components often have “long lead times of 20–30 weeks” for essential parts.

That means your PM can’t wait on OEM shipping schedules.

Your preventive maintenance parts strategy should:

  • Identify every part with >8 week lead time

  • Flag those parts as stocking priority

  • Partner with reverse-engineering vendors who can produce replacements faster

  • Create batches now instead of rushing later

Some plants, Andy noted, have strict inventory rules:
“Some plants have minimum and maximums… and if they hit the minimum and it’s six weeks to get parts, they’ll have a problem.”

You should never hit a minimum without a reorder already in motion.

Understanding Repeat Failures: Your Best Predictor

Andy summed up replacement forecasting better than any maintenance textbook:
“If it did it before, it’ll probably do it again. So be prepared.”

Your preventive maintenance parts strategy becomes stronger when you track:

  • Frequency of failure

  • Type of failure

  • Seasonality of failure

  • Production conditions during failures

  • Operators involved

Repeat failures shouldn’t surprise you, they should inform your stocking minimums and PM cycles.

Build Vendor Relationships That Protect You

You should never feel stranded by an OEM. Vendors who reverse-engineer components can dramatically strengthen your preventive maintenance parts strategy, offering:

  • Shorter lead times

  • Local support

  • Emergency spare production

  • Batch pricing opportunities

  • Inventory held on your behalf

Andy explained how this partnership works:
“We may make extras and throw them on our shelf… when you call in six months, it’s found money for us, and you get your part instantly.”

That’s the future of PM parts planning: shared responsibility.

Stock What Matters Most

Your PM parts list should not include everything. Focus on:

  • High-risk failure points

  • Sacrificial parts

  • Components with long OEM lead times

  • Components without prints

  • Any part that has caused downtime before

This is how your inventory stops becoming overhead and starts becoming protection.

The Future of PM: Predictive, Not Reactive

The strongest maintenance leaders evolve from:

  • Reactive → Wait until it breaks

  • Preventive → Replace on schedule

  • Predictive → Plan based on data and vendor support

Your preventive maintenance parts strategy is the bridge to reach predictive reliability.

Final Word: Inventory Is Cheaper Than Downtime

Your facility doesn’t need more PM software or more forms, it needs a smarter approach to parts.

With the right stocking strategy, vendor support, and replacement plan, you can eliminate the emergencies that drain time, overtime, and budget.

Because the real truth is simple:

Your PM program is only as strong as your parts strategy.


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