This is Chicago Pneumatic part number 3377021025 valve block – complete, stocked at Crowder Supply as CP-3377021025. Cycle timing runs through this component. Because it shuttles on every blow, it accumulates cycles faster than almost anything else in the power pack.
It shows up in the parts breakdown for the APP13 Hydraulic Power Pac. Compare it to the reference callout on the diagram to be sure it is the position you need.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts breakdown index. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3377021025
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-3377021025
- Listed on breakdowns for: APP13 Hydraulic Power Pac
