Automotive spare parts: criticality and emergency shipping plans

Define critical parts by the impact of their absence, not their price

When sourcing automotive spare parts, assess the impact a missing part would have on production or service operations rather than basing emergency shipping decisions solely on the part’s cost. The recommended approach is not to rank inventory from most to least expensive, but to determine which parts must be available by when to keep operations running.

Eurostat’s review of international trade by type of good treats inputs used in production separately from consumer and capital goods. Building on this distinction, considering operational purpose alongside purchase value is a useful starting point for spare parts planning. The framework below is not a Eurostat methodology, but an original decision-making approach proposed for shippers.

Prepare a criticality record for each part

Create a record for each part that purchasing, maintenance, production or service teams can update together. Put the following questions at the heart of the record:

• Operational impact: If the part is unavailable, will production stop, will vehicle delivery be postponed, or can the work be transferred to another station?
• Substitution options: Is there a technically approved equivalent product or usable stock at another warehouse?
• Stock coverage: Until when will available stock cover planned consumption?
• Replenishment options: When can the supplier actually have the part ready for dispatch?
• Acceptance requirements: At what stage will the correct revision, serial information and quality documents be verified?

Base the decision on these answers together. Prioritize the assessment of parts that have no substitute and could bring operations to a halt. Do not count stock that is quarantined, allocated to another order or awaiting technical approval as available inventory. Rather than treating uncertain information as confirmed, note who is responsible for verifying it alongside the record.

Set the threshold for activating the emergency plan in advance

Do not limit the contingency plan to a statement such as “use air freight if there is a delay.” For each critical part, establish the latest usable delivery time; define delivery here not as arrival at the warehouse door, but as the point when the part has been inspected and can be released for operational use.

The plan could be triggered when it becomes clear that a confirmed replenishment delivery will not arrive before current stock runs out. Define separate decision thresholds for a supplier’s failure to confirm readiness or for a missed scheduled connection. At each threshold, record who will look for alternative transport, who will approve the cost and who will inform operations.

Agree on authorization limits before an incident begins. In an emergency, the team can then follow a predefined process rather than search for the person authorized to approve it. This is not a guarantee of timing, but an arrangement intended to reduce decision-making delays.

Test the backup transport option from collection to operational use

Do not compare alternatives solely on flight or driving time. Include supplier collection, terminal acceptance, transfers, customs clearance, final delivery and the recipient’s receiving hours in the quotation assessment. For Türkiye–Europe movements, also incorporate document preparation and uncertainties surrounding border crossings into the operational plan.

For suitable shipments, you can assess the next flight out option; where the suitability of accompanied transport requires separate assessment, you can explore the on-board courier alternative. Do not treat these options as automatic solutions: confirm acceptance, capacity, packaging, contents and route suitability for each shipment.

Also ask whether the backup route depends on the same transfer point or the same vehicle capacity as the main route. Check whether the revised offer genuinely addresses a different disruption scenario.

First assess the quantity needed to keep operations running

Consider the quantity to be shipped urgently separately from the total order quantity. If technical and commercial conditions allow, consider sending the quantity needed to maintain operations by emergency transport, with the remainder following the regular replenishment plan. When deciding on split shipments, assess additional handling, traceability and the recipient’s receiving arrangements together.

The shipment file should include the part code, revision, quantity, package dimensions, weight, readiness time and authorized receiving contact. Verify the documents with the relevant parties; do not base the transport decision on an incomplete product description.

Test the plan using your organization’s own data

Eurostat’s review of trade by enterprise characteristics links business registers with trade data, but provides only aggregated results. Therefore, do not use these data to infer a particular supplier’s preparation lead time or the availability of a specific part.

Test your own plan through tabletop scenarios: who will do what if the supplier is not ready, a connection is missed or the recipient is closed? After each incident, compare the estimated usable delivery time with the actual outcome. The aim is not to use emergency transport continuously, but to identify critical parts early, make uncertainty visible and act on a viable alternative when necessary. Avemes is responsible for the assessments made on the basis of these sources; Eurostat is not responsible for these interpretations.

Sources

Analysis and translations: Avemes Editorial. Source institutions are not responsible for this analysis or its translations.

• International trade in goods by type of good — Eurostat; n.d.; 2017-2025. CC BY 4.0
• International trade in goods by enterprise characteristics — Eurostat; n.d.; 2024. CC BY 4.0
• Copyright notice and free re-use of data — Eurostat; n.d.; n/a. CC BY 4.0