Ordering by number: this is 9753218082, the Chicago Pneumatic bumper – rubber. It absorbs shock between two components of the rivet buster, protecting the parts on either side of it from metal-to-metal contact.
The published breakdown lists it on the CP 4181 Puler Puser Rivet Buster and CP 4181 Duler Duser Rivet Buster. Check it against the reference number on the diagram first; serial breaks change what fits.
If you need the parts around it, the parts diagram hub 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: 9753218082
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-9753218082
- Listed on breakdowns for: CP 4181 Puler Puser Rivet Buster, CP 4181 Duler Duser Rivet Buster
