JMC parts are primarily used in light trucks, pickups (like the Vigus or Boarding), and SUVs. High-wear items such as filters (oil, air, fuel), brake linings, and clutch plates require replacement every 5,000 to 10,000 km depending on load conditions. For fleet operators, it is economically feasible to maintain a buffer stock of 'fast-moving' parts to minimize vehicle downtime. Critical engine and transmission components should be inspected every 40,000 km to prevent catastrophic failure in high-utilization logistics environments.