Muffler – Complete is the Chicago Pneumatic service part carried under part number R132740. 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 appears on the CP 9RR 9RRS Rock Drill breakdown. Compare it to the reference callout on the diagram to be sure it is the position you need.
The full diagram library indexes every breakdown we publish, and the CP tool catalog has the tools these parts go into. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: R132740
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R132740
- Listed on breakdowns for: CP 9RR 9RRS Rock Drill

