How to Improve Parts Management in an Auto Body Shop

Why parts are the bottleneck

In most collision repair shops, the repair itself is rarely what holds a vehicle. What holds it is waiting: a backordered headlamp, a bumper cover that arrived in the wrong color, a supplier that never confirmed a ship date. Every day a car sits waiting on parts is a day of lost bay space, longer rental bills, and a customer calling for an update.

Better parts management doesn't require a bigger team. It requires that everyone works from the same accurate list and that problems surface early, while there is still time to act.

1. Keep one list of every open part

Parts information tends to scatter across supplier portals, emails, text messages, sticky notes and the parts manager's memory. When that person is out, nobody knows what's coming. Start by recording every ordered part in one place with the same basic fields:

• Repair order (RO) number and vehicle
• Part description and part number
• Supplier and the person you deal with there
• Order date, promised ETA and current status (ordered, shipped, backordered, received)

2. Treat a missing ETA as a problem

A part with no promised date is the easiest one to forget. Make it a rule that every order gets an ETA, and that any order still missing one after a day gets a follow-up call or email. The same goes for ETAs that pass without the part arriving — an overdue part should be the first thing anyone sees each morning, not something discovered when the technician is ready to install it.

3. Review backorders and overdue parts daily

A short daily review — ten minutes at the start of the day — catches most delays before they become customer complaints. Sort open parts by urgency: overdue first, then backordered, then missing ETAs, then anything due today. For each one, decide on an action: chase the supplier, source the part elsewhere, or update the customer and the estimator.

4. Make supplier follow-ups routine

Follow-ups slip because writing them is tedious. Keep a short standard message that includes the RO number, the part number, the original order date and the date you were promised, and ask one clear question: when will it ship? Consistent, specific follow-ups get faster answers than vague ones and leave a record of what was promised.

5. Look at patterns, not just individual parts

Once the list has a few weeks of history, look for patterns. Which suppliers are regularly late? Which part types are most often backordered? That information is useful when choosing where to order and when setting customer expectations at the estimate stage.

Where software helps

A spreadsheet can carry a small shop a long way. Dedicated tools help when several people need to update the same list, when you want overdue and backordered parts ranked automatically, or when you want follow-up drafts prepared for you. PartsPilot AI was built around exactly this workflow — you can try it with fictional data in the live demo before deciding whether it fits your shop.