For OEM parts supply, confirm authorized channels and supply lead times, and identify third-party parts in detail. Moroccan importers should compare VIN-compatible part numbers, demand tiers, inventory locations, and replenishment records with supplier commitments to confirm that critical parts come through authorized channels and have predictable lead times. Adjust initial spare-parts stock to sales volume and downtime risk rather than copying a standard package, preventing prolonged downtime after vehicles reach dealerships because of incorrect, missing, or unidentifiable parts. What spare parts should dealers order with their first vehicle shipment?.