Muffler Ass’y is the Chicago Pneumatic service part carried under part number F815448. It handles exhaust from the rock drill, cutting noise at the operator’s ear. A packed or damaged element raises back pressure and quietly costs performance.
The published breakdown lists it on the CP 9RR 9RRS Rock Drill and CP 9A 9F Rock Drill, and on 1 other machine. Check it against the reference number on the diagram first; serial breaks change what fits.
The parts breakdown index indexes every breakdown we publish, and the Chicago Pneumatic tool range has the tools these parts go into. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: F815448
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-F815448
- Listed on breakdowns for: CP 9RR 9RRS Rock Drill, CP 9A 9F Rock Drill, CP 9BS Rock Drill
