Seal, Atlas Copco part number 3377000521, listed at Crowder Supply as AC-3377000521. Seals like this one are consumables in a power pack they are cheap, they age with heat and hours, and replacing the whole set during a teardown saves a second strip-down later.
Crowder’s breakdowns list this part on the LP 18-2×20/1×40 Twin PE Hydraulic Power Pac and PAC P18 Twin E11 Twin Hydraulic Power Pac, and on 1 other machine. Compare it to the reference callout on the diagram to be sure it is the position you need.
Everything else on that machine is one page away on the parts breakdown index; complete tools are on the Atlas Copco lineup. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 3377000521
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3377000521
- Listed on breakdowns for: LP 18-2×20/1×40 Twin PE Hydraulic Power Pac, PAC P18 Twin E11 Twin Hydraulic Power Pac, APP18 Twin Hydraulic Power Pac
