Ordering by number: this is R047967, which also shows up as 3310104122, the Chicago Pneumatic piston. 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 appears on the CP 1230 1230S 1230SVR Paving Breaker and CP 1230 SPDR 1230S SPDR Spike Driver, and on 1 other machine breakdown. 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 Chicago Pneumatic tool range covers the machines themselves. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: R047967
- Also listed as: 3310104122
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R047967
- Listed on breakdowns for: CP 1230 1230S 1230SVR Paving Breaker, CP 1230 SPDR 1230S SPDR Spike Driver, CP 1260 1260S 1260SVR Paving Breaker
