Ordering by number: this is 9245996795, the Chicago Pneumatic retained piston – 4″. Impact energy comes from this part accelerating down the bore. Wear on the strike face or the seal lands costs blow energy before it ever causes a hard failure.
Crowder’s breakdowns list this part on the TEX 830R 1133R Rivet Buster. Check it against the reference number on the diagram first; serial breaks change what fits.
The full diagram library indexes every breakdown we publish, and the CP tool catalog has the tools these parts go into. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 9245996795
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-9245996795
- Listed on breakdowns for: TEX 830R 1133R Rivet Buster

