O-Ring, Atlas Copco part number 0663212050, listed at Crowder Supply as AC-0663212050. It keeps air or oil where it belongs inside the breaker. Once it flattens or hardens, the machine loses pressure across the joint and performance falls off gradually rather than all at once.
It is called out in the parts diagram for the RTEX 15US Paving Breaker and RTEX 35US Paving Breaker. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
Use the full diagram library to work through the rest of the assembly, or the Atlas Copco catalog if you are pricing a replacement machine. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 0663212050
- Manufacturer: Atlas Copco
- Crowder SKU: AC-0663212050
- Listed on breakdowns for: RTEX 15US Paving Breaker, RTEX 35US Paving Breaker
