O-Ring is the Atlas Copco service part carried under part number 9234000234. It seals a pressure joint inside the breaker, 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.
It appears on the Cobra ProE Gas Breaker breakdown. 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 full diagram library; complete tools are on the Atlas Copco tool range. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 9234000234
- Manufacturer: Atlas Copco
- Crowder SKU: AC-9234000234
- Listed on breakdowns for: Cobra ProE Gas Breaker

