This is the Chicago Pneumatic valve block part number R070104, which also shows up as 3310103532, Crowder SKU CP-R070104. 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 breakdown index. Complete tools are on the CP tool catalog. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.

• Part number: R070104
• Also listed as: 3310103532
• Manufacturer: Chicago Pneumatic
• Crowder SKU: CP-R070104