Ordering by number: this is 3121559900, the Atlas Copco front cover. This part encloses or supports the working assembly on the tool.

If you are working from a machine rather than a part number, start at the parts breakdown index, or send us the model and serial and we will match it. Machines themselves are on the Atlas Copco tool range. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.

• Part number: 3121559900
• Manufacturer: Atlas Copco
• Crowder SKU: AC-3121559900