Komatsu Parts Book Official

For a parts manager or technician, the standard workflow is as follows:

Machine: WA320-5, SN A31052 Need: Brake caliper seal kit Open Parts Book → Group “Brake System” → Find caliper exploded view → Callout #12 → “Seal Kit, Caliper” → Part No. 425-09-12340 → Check SN range: valid → Order 1 kit. komatsu parts book