replacement main & relief valve, part number 723-40-91300, for KOMATSU excavator and compatible heavy-equipment applications.
- Primary part number: 723-40-91300
- Alternative part numbers: None listed
- Compatible brands: KOMATSU
- Equipment type: Excavator
- Application reference: Komatsu HB205 HB215 PC200 PC210 PC220 PC228 PC230 PC240 PC270 PC290 PC308 PW140 PW148 PW160 PW180 PW200 PW220
- Engine models: Verify by part number
- Condition: replacement
Please verify the primary/alternative part number, connector, dimensions, machine model and engine serial number before ordering.





