Seal Ring, Atlas Copco part number 0661100090, cross-referenced to 3377016019, listed at Crowder Supply as AC-3377016019. It seals a pressure joint inside the power pack, and because elastomer takes a set long before the metal around it wears, it is one of the first items to replace when a machine starts weeping air or oil.
The published breakdown lists it on the APP13 Hydraulic Power Pac and APP18 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.
If you need the parts around it, the parts diagram library has the full breakdown library, and the Atlas Copco tool range covers the machines themselves. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 0661100090
- Also listed as: 3377016019
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3377016019
- Listed on breakdowns for: APP13 Hydraulic Power Pac, APP18 Twin Hydraulic Power Pac, PAC P18 Hydraulic Power Pac
