This is the Chicago Pneumatic throttle valve W/ O ring part number P001768, which also shows up as 3310190204, Crowder SKU CP-P001768. It governs how air reaches the working end of the tool. Wear on the sealing land is the usual cause of a throttle that leaks with the trigger released.

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: P001768
• Also listed as: 3310190204
• Manufacturer: Chicago Pneumatic
• Crowder SKU: CP-P001768