This is Atlas Copco part number 0663210037 O-Ring, stocked at Crowder Supply as AC-0663210037. Seals like this one are consumables in a rock drill they are cheap, they age with heat and hours, and replacing the whole set during a teardown saves a second strip-down later.
It is called out in the parts diagram for the RH 658L/LS/LS-01 Rock Drill. That machine is the RH 658 L Surface Rock Drill if you are pricing a replacement rather than a repair.
Work through the rest of the assembly on the same breakdown, or start over from the parts diagram hub. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 0663210037
- Manufacturer: Atlas Copco
- Crowder SKU: AC-0663210037
- Listed on breakdowns for: RH 658L/LS/LS-01 Rock Drill

