This is the Atlas Copco valve block part number 3377021254, Crowder SKU AC-3377021254. This part controls the working cycle of the power pack. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
The published breakdown lists it on the LP 18-30PE & 18-40 PE Hydraulic Power Pac. Pull up the diagram and confirm the reference number for your serial before ordering.
The full diagram library indexes every breakdown we publish, and the Atlas Copco catalog has the tools these parts go into. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3377021254
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3377021254
- Listed on breakdowns for: LP 18-30PE & 18-40 PE Hydraulic Power Pac

