Muffler Plug Ass’y is the Chicago Pneumatic service part carried under part number R132721. Exhaust treatment on a rock drill is a hearing-protection item as much as a comfort one, and elements load up with oil and dust over time.
It is called out in the parts diagram for the CP 9RR 9RRS Rock Drill. 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.
If you need the parts around it, the parts diagram library has the full breakdown library, and the CP tool catalog covers the machines themselves. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: R132721
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R132721
- Listed on breakdowns for: CP 9RR 9RRS Rock Drill
