Valve Housing, Atlas Copco part number 3310145300, listed at Crowder Supply as AC-3310145300. This part controls the working cycle of the tool. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.

Matching it to a machine? Send us the model and serial and we will confirm the fit, or work back from the parts diagram hub. Complete tools are on the Atlas Copco catalog. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.

• Part number: 3310145300
• Manufacturer: Atlas Copco
• Crowder SKU: AC-3310145300