This is the Atlas Copco piston guide Ass’y part number 9232210641, Crowder SKU AC-9232210641. It is the working heart of the breaker. Pistons are matched to the cylinder bore, so replacing a worn one usually means checking the bore at the same time.
It shows up in the parts breakdown for the Red Hawk Gas Breaker/Drill and Cobra Combi Gas Breaker/Drilll- before 2010, and on 1 other machine. Check it against the reference number on the diagram first; serial breaks change what fits.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the Atlas Copco catalog covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 9232210641
- Manufacturer: Atlas Copco
- Crowder SKU: AC-9232210641
- Listed on breakdowns for: Red Hawk Gas Breaker/Drill, Cobra Combi Gas Breaker/Drilll- before 2010, Cobra Combi Gas Drill/Breaker

