This is the Atlas Copco valve part number 3111004000, Crowder SKU AC-3111004000. It directs the flow that reverses the piston in the tool. Valve wear changes port timing, and the machine loses blow rate before it loses the ability to run.
Give us the model and serial off your machine and we will confirm the fit; the parts breakdown index and the Atlas Copco lineup are the other two places to start. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3111004000
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3111004000