Seal Ring is the Atlas Copco service part carried under part number 3371817712. Its job is to hold the pressure boundary between two mating faces; a hardened or nicked seal shows up as lost power and a damp housing well before anything else fails.
The published breakdown lists it on the RDR 48M Rock Drill and LHD 23M Hydraulic Rock Drill, and on 1 other machine. Check it against the reference number on the diagram first; serial breaks change what fits.
Use the parts diagram library to work through the rest of the assembly, or the Atlas Copco lineup if you are pricing a replacement machine. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3371817712
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371817712
- Listed on breakdowns for: RDR 48M Rock Drill, LHD 23M Hydraulic Rock Drill, RDR 48R Rock Drill

